87ITypeSymbol? type = ResolveType(instanceArg.Value)?.WithNullableAnnotation(NullableAnnotation.None); 155type = targetMethod.TypeArguments[0].WithNullableAnnotation(NullableAnnotation.None); 205type = targetMethod.TypeArguments[0].WithNullableAnnotation(NullableAnnotation.None);

28ITypeSymbol? typeSymbol = targetMethod.TypeArguments[0].WithNullableAnnotation(NullableAnnotation.None);

72ITypeSymbol? typeSymbol = targetMethod.TypeArguments[0].WithNullableAnnotation(NullableAnnotation.None);

38var isNonNullableReferenceType = type.IsReferenceType && type.NullableAnnotation != NullableAnnotation.Annotated;

106(NullableAnnotation.None, NullableAnnotation.NotAnnotated) => true, 107(NullableAnnotation.NotAnnotated, NullableAnnotation.None) => true,

332NullableAnnotation nullableAnnotation = NullableAnnotation.None, 353public static IArrayTypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank = 1, NullableAnnotation nullableAnnotation = NullableAnnotation.None) 424NullableAnnotation nullableAnnotation = NullableAnnotation.None, 443NullableAnnotation nullableAnnotation = NullableAnnotation.None, 468NullableAnnotation nullableAnnotation = NullableAnnotation.None)

57public NullableAnnotation ReceiverNullableAnnotation => ReceiverType.NullableAnnotation; 58public NullableAnnotation ReturnNullableAnnotation => ReturnType.NullableAnnotation; 59public ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => TypeArguments.SelectAsArray(a => a.NullableAnnotation); 113public IMethodSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<CodeAnalysis.NullableAnnotation> typeArgumentNullableAnnotations)

30NullableAnnotation nullableAnnotation, 64public INamedTypeSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<NullableAnnotation> typeArgumentNullableAnnotations) 85public abstract ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations { get; }

10internal sealed class CodeGenerationArrayTypeSymbol(ITypeSymbol elementType, int rank, NullableAnnotation nullableAnnotation) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, nullableAnnotation), IArrayTypeSymbol 40protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 65public NullableAnnotation ElementNullableAnnotation => ElementType.NullableAnnotation;

33public override ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => _typeArguments.SelectAsArray(t => t.NullableAnnotation); 95protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation)

24public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

23public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

35NullableAnnotation nullableAnnotation, 52protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 130public override ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations 135return this.TypeParameters.SelectAsArray(t => NullableAnnotation.NotAnnotated);

28public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

9internal sealed class CodeGenerationPointerTypeSymbol(ITypeSymbol pointedAtType) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, NullableAnnotation.None), IPointerTypeSymbol 13protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation)

27public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

16NullableAnnotation nullableAnnotation, 36protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 88public NullableAnnotation ReferenceTypeConstraintNullableAnnotation => throw new System.NotImplementedException(); 90public ImmutableArray<NullableAnnotation> ConstraintNullableAnnotations => ConstraintTypes.SelectAsArray(t => t.NullableAnnotation);

20NullableAnnotation nullableAnnotation) 83public NullableAnnotation NullableAnnotation { get; } = nullableAnnotation; 85public ITypeSymbol WithNullableAnnotation(NullableAnnotation nullableAnnotation) 91protected abstract CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation);

55parameters: [CodeGenerationSymbolFactory.CreateParameterSymbol(compilation.GetSpecialType(SpecialType.System_Object).WithNullableAnnotation(NullableAnnotation.Annotated), ObjName)],

78protected IEnumerable<TypeInferenceInfo> CreateResult(SpecialType type, NullableAnnotation nullableAnnotation = NullableAnnotation.None)

103if (foreachInfo.ElementType != null && foreachInfo.ElementType.NullableAnnotation != NullableAnnotation.NotAnnotated)

38var isNonNullableReferenceType = type.IsReferenceType && type.NullableAnnotation != NullableAnnotation.Annotated;

106(NullableAnnotation.None, NullableAnnotation.NotAnnotated) => true, 107(NullableAnnotation.NotAnnotated, NullableAnnotation.None) => true,

38var isNonNullableReferenceType = type.IsReferenceType && type.NullableAnnotation != NullableAnnotation.Annotated;

106(NullableAnnotation.None, NullableAnnotation.NotAnnotated) => true, 107(NullableAnnotation.NotAnnotated, NullableAnnotation.None) => true,

370loggerType = gen.TypeExpression(t.WithNullableAnnotation(NullableAnnotation.Annotated));

36&& type.NullableAnnotation == NullableAnnotation.NotAnnotated 63&& type.NullableAnnotation == NullableAnnotation.NotAnnotated

95if (type.NullableAnnotation == NullableAnnotation.NotAnnotated)

32var argumentIsOptional = parameter.IsOptional || parameter.NullableAnnotation != NullableAnnotation.NotAnnotated;

167NullableAnnotation: NullableAnnotation.Annotated 173NullableAnnotation: NullableAnnotation.Annotated

167NullableAnnotation: NullableAnnotation.Annotated 173NullableAnnotation: NullableAnnotation.Annotated

118if (endpointParameter.ElementType.NullableAnnotation == NullableAnnotation.Annotated) 140if (endpointParameter.IsOptional || endpointParameter.Type.NullableAnnotation == NullableAnnotation.Annotated) 180if (parameter.IsArray && parameter.ElementType.NullableAnnotation == NullableAnnotation.Annotated)

40var isOptional = p.IsOptional || type.NullableAnnotation == NullableAnnotation.Annotated; 92if (endpoint.Response.IsAwaitable && endpoint.Response.WrappedResponseType.NullableAnnotation == NullableAnnotation.Annotated) 424if (endpoint.Response?.WrappedResponseType.NullableAnnotation == NullableAnnotation.Annotated)

1085public IArrayTypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank = 1, NullableAnnotation elementNullableAnnotation = NullableAnnotation.None) 1100protected abstract IArrayTypeSymbol CommonCreateArrayTypeSymbol(ITypeSymbol elementType, int rank, NullableAnnotation elementNullableAnnotation); 1300ImmutableArray<NullableAnnotation> elementNullableAnnotations = default) 1347ImmutableArray<NullableAnnotation> elementNullableAnnotations) 1405ImmutableArray<NullableAnnotation> elementNullableAnnotations); 1417ImmutableArray<NullableAnnotation> elementNullableAnnotations = default) 1445ImmutableArray<NullableAnnotation> elementNullableAnnotations); 1458ImmutableArray<NullableAnnotation> memberNullableAnnotations = default) 1536ImmutableArray<NullableAnnotation> memberNullableAnnotations);

55NullableAnnotation ElementNullableAnnotation { get; }

23NullableAnnotation NullableAnnotation { get; }

27NullableAnnotation NullableAnnotation { get; }

82NullableAnnotation NullableAnnotation { get; }

24NullableAnnotation NullableAnnotation { get; }

99NullableAnnotation ReturnNullableAnnotation { get; } 111/// then <see cref="NullableAnnotation.None"/> is returned. 113ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations { get; } 169NullableAnnotation ReceiverNullableAnnotation { get; } 252IMethodSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<NullableAnnotation> typeArgumentNullableAnnotations);

85/// then <see cref="NullableAnnotation.None"/> is returned for that type argument. 87ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations { get; } 135INamedTypeSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<NullableAnnotation> typeArgumentNullableAnnotations);

68NullableAnnotation NullableAnnotation { get; }

65NullableAnnotation NullableAnnotation { get; }

53/// constraint, this returns <see cref="NullableAnnotation.None"/>. 55NullableAnnotation ReferenceTypeConstraintNullableAnnotation { get; } 91ImmutableArray<NullableAnnotation> ConstraintNullableAnnotations { get; }

199/// Nullable annotation associated with the type, or <see cref="NullableAnnotation.None"/> if there are none. 201NullableAnnotation NullableAnnotation { get; } 207ITypeSymbol WithNullableAnnotation(NullableAnnotation nullableAnnotation);

19public NullableAnnotation Annotation { get; } 28internal NullabilityInfo(NullableAnnotation annotation, NullableFlowState flowState)

30/// This method directly converts a <see cref="NullableFlowState"/> to a <see cref="NullableAnnotation"/>, 35public static NullableAnnotation ToAnnotation(this NullableFlowState nullableFlowState) 40return CodeAnalysis.NullableAnnotation.Annotated; 42return CodeAnalysis.NullableAnnotation.NotAnnotated; 44return CodeAnalysis.NullableAnnotation.None;

38var isNonNullableReferenceType = type.IsReferenceType && type.NullableAnnotation != NullableAnnotation.Annotated;

106(NullableAnnotation.None, NullableAnnotation.NotAnnotated) => true, 107(NullableAnnotation.NotAnnotated, NullableAnnotation.None) => true,

332NullableAnnotation nullableAnnotation = NullableAnnotation.None, 353public static IArrayTypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank = 1, NullableAnnotation nullableAnnotation = NullableAnnotation.None) 424NullableAnnotation nullableAnnotation = NullableAnnotation.None, 443NullableAnnotation nullableAnnotation = NullableAnnotation.None, 468NullableAnnotation nullableAnnotation = NullableAnnotation.None)

57public NullableAnnotation ReceiverNullableAnnotation => ReceiverType.NullableAnnotation; 58public NullableAnnotation ReturnNullableAnnotation => ReturnType.NullableAnnotation; 59public ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => TypeArguments.SelectAsArray(a => a.NullableAnnotation); 113public IMethodSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<CodeAnalysis.NullableAnnotation> typeArgumentNullableAnnotations)

30NullableAnnotation nullableAnnotation, 64public INamedTypeSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<NullableAnnotation> typeArgumentNullableAnnotations) 85public abstract ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations { get; }

10internal sealed class CodeGenerationArrayTypeSymbol(ITypeSymbol elementType, int rank, NullableAnnotation nullableAnnotation) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, nullableAnnotation), IArrayTypeSymbol 40protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 65public NullableAnnotation ElementNullableAnnotation => ElementType.NullableAnnotation;

33public override ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => _typeArguments.SelectAsArray(t => t.NullableAnnotation); 95protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation)

24public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

23public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

35NullableAnnotation nullableAnnotation, 52protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 130public override ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations 135return this.TypeParameters.SelectAsArray(t => NullableAnnotation.NotAnnotated);

28public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

9internal sealed class CodeGenerationPointerTypeSymbol(ITypeSymbol pointedAtType) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, NullableAnnotation.None), IPointerTypeSymbol 13protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation)

27public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

16NullableAnnotation nullableAnnotation, 36protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 88public NullableAnnotation ReferenceTypeConstraintNullableAnnotation => throw new System.NotImplementedException(); 90public ImmutableArray<NullableAnnotation> ConstraintNullableAnnotations => ConstraintTypes.SelectAsArray(t => t.NullableAnnotation);

20NullableAnnotation nullableAnnotation) 83public NullableAnnotation NullableAnnotation { get; } = nullableAnnotation; 85public ITypeSymbol WithNullableAnnotation(NullableAnnotation nullableAnnotation) 91protected abstract CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation);

55parameters: [CodeGenerationSymbolFactory.CreateParameterSymbol(compilation.GetSpecialType(SpecialType.System_Object).WithNullableAnnotation(NullableAnnotation.Annotated), ObjName)],

78protected IEnumerable<TypeInferenceInfo> CreateResult(SpecialType type, NullableAnnotation nullableAnnotation = NullableAnnotation.None)

103if (foreachInfo.ElementType != null && foreachInfo.ElementType.NullableAnnotation != NullableAnnotation.NotAnnotated)

984method.ReturnType.NullableAnnotation == NullableAnnotation.Annotated)

38var isNonNullableReferenceType = type.IsReferenceType && type.NullableAnnotation != NullableAnnotation.Annotated;

106(NullableAnnotation.None, NullableAnnotation.NotAnnotated) => true, 107(NullableAnnotation.NotAnnotated, NullableAnnotation.None) => true,

38var isNonNullableReferenceType = type.IsReferenceType && type.NullableAnnotation != NullableAnnotation.Annotated;

106(NullableAnnotation.None, NullableAnnotation.NotAnnotated) => true, 107(NullableAnnotation.NotAnnotated, NullableAnnotation.None) => true,

332NullableAnnotation nullableAnnotation = NullableAnnotation.None, 353public static IArrayTypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank = 1, NullableAnnotation nullableAnnotation = NullableAnnotation.None) 424NullableAnnotation nullableAnnotation = NullableAnnotation.None, 443NullableAnnotation nullableAnnotation = NullableAnnotation.None, 468NullableAnnotation nullableAnnotation = NullableAnnotation.None)

57public NullableAnnotation ReceiverNullableAnnotation => ReceiverType.NullableAnnotation; 58public NullableAnnotation ReturnNullableAnnotation => ReturnType.NullableAnnotation; 59public ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => TypeArguments.SelectAsArray(a => a.NullableAnnotation); 113public IMethodSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<CodeAnalysis.NullableAnnotation> typeArgumentNullableAnnotations)

30NullableAnnotation nullableAnnotation, 64public INamedTypeSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<NullableAnnotation> typeArgumentNullableAnnotations) 85public abstract ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations { get; }

10internal sealed class CodeGenerationArrayTypeSymbol(ITypeSymbol elementType, int rank, NullableAnnotation nullableAnnotation) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, nullableAnnotation), IArrayTypeSymbol 40protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 65public NullableAnnotation ElementNullableAnnotation => ElementType.NullableAnnotation;

33public override ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => _typeArguments.SelectAsArray(t => t.NullableAnnotation); 95protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation)

24public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

23public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

35NullableAnnotation nullableAnnotation, 52protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 130public override ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations 135return this.TypeParameters.SelectAsArray(t => NullableAnnotation.NotAnnotated);

28public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

9internal sealed class CodeGenerationPointerTypeSymbol(ITypeSymbol pointedAtType) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, NullableAnnotation.None), IPointerTypeSymbol 13protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation)

27public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

16NullableAnnotation nullableAnnotation, 36protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 88public NullableAnnotation ReferenceTypeConstraintNullableAnnotation => throw new System.NotImplementedException(); 90public ImmutableArray<NullableAnnotation> ConstraintNullableAnnotations => ConstraintTypes.SelectAsArray(t => t.NullableAnnotation);

20NullableAnnotation nullableAnnotation) 83public NullableAnnotation NullableAnnotation { get; } = nullableAnnotation; 85public ITypeSymbol WithNullableAnnotation(NullableAnnotation nullableAnnotation) 91protected abstract CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation);

55parameters: [CodeGenerationSymbolFactory.CreateParameterSymbol(compilation.GetSpecialType(SpecialType.System_Object).WithNullableAnnotation(NullableAnnotation.Annotated), ObjName)],

78protected IEnumerable<TypeInferenceInfo> CreateResult(SpecialType type, NullableAnnotation nullableAnnotation = NullableAnnotation.None)

103if (foreachInfo.ElementType != null && foreachInfo.ElementType.NullableAnnotation != NullableAnnotation.NotAnnotated)

38var isNonNullableReferenceType = type.IsReferenceType && type.NullableAnnotation != NullableAnnotation.Annotated;

106(NullableAnnotation.None, NullableAnnotation.NotAnnotated) => true, 107(NullableAnnotation.NotAnnotated, NullableAnnotation.None) => true,

332NullableAnnotation nullableAnnotation = NullableAnnotation.None, 353public static IArrayTypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank = 1, NullableAnnotation nullableAnnotation = NullableAnnotation.None) 424NullableAnnotation nullableAnnotation = NullableAnnotation.None, 443NullableAnnotation nullableAnnotation = NullableAnnotation.None, 468NullableAnnotation nullableAnnotation = NullableAnnotation.None)

57public NullableAnnotation ReceiverNullableAnnotation => ReceiverType.NullableAnnotation; 58public NullableAnnotation ReturnNullableAnnotation => ReturnType.NullableAnnotation; 59public ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => TypeArguments.SelectAsArray(a => a.NullableAnnotation); 113public IMethodSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<CodeAnalysis.NullableAnnotation> typeArgumentNullableAnnotations)

30NullableAnnotation nullableAnnotation, 64public INamedTypeSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<NullableAnnotation> typeArgumentNullableAnnotations) 85public abstract ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations { get; }

10internal sealed class CodeGenerationArrayTypeSymbol(ITypeSymbol elementType, int rank, NullableAnnotation nullableAnnotation) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, nullableAnnotation), IArrayTypeSymbol 40protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 65public NullableAnnotation ElementNullableAnnotation => ElementType.NullableAnnotation;

33public override ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => _typeArguments.SelectAsArray(t => t.NullableAnnotation); 95protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation)

24public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

23public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

35NullableAnnotation nullableAnnotation, 52protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 130public override ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations 135return this.TypeParameters.SelectAsArray(t => NullableAnnotation.NotAnnotated);

28public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

9internal sealed class CodeGenerationPointerTypeSymbol(ITypeSymbol pointedAtType) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, NullableAnnotation.None), IPointerTypeSymbol 13protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation)

27public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

16NullableAnnotation nullableAnnotation, 36protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 88public NullableAnnotation ReferenceTypeConstraintNullableAnnotation => throw new System.NotImplementedException(); 90public ImmutableArray<NullableAnnotation> ConstraintNullableAnnotations => ConstraintTypes.SelectAsArray(t => t.NullableAnnotation);

20NullableAnnotation nullableAnnotation) 83public NullableAnnotation NullableAnnotation { get; } = nullableAnnotation; 85public ITypeSymbol WithNullableAnnotation(NullableAnnotation nullableAnnotation) 91protected abstract CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation);

55parameters: [CodeGenerationSymbolFactory.CreateParameterSymbol(compilation.GetSpecialType(SpecialType.System_Object).WithNullableAnnotation(NullableAnnotation.Annotated), ObjName)],

78protected IEnumerable<TypeInferenceInfo> CreateResult(SpecialType type, NullableAnnotation nullableAnnotation = NullableAnnotation.None)

103if (foreachInfo.ElementType != null && foreachInfo.ElementType.NullableAnnotation != NullableAnnotation.NotAnnotated)

247CodeAnalysis.NullableAnnotation.Annotated => BoundNodeAttributes.TopLevelAnnotated, 248CodeAnalysis.NullableAnnotation.NotAnnotated => BoundNodeAttributes.TopLevelNotAnnotated, 249CodeAnalysis.NullableAnnotation.None => BoundNodeAttributes.TopLevelNone, 282var annotation = (_attributes & BoundNodeAttributes.TopLevelAnnotationMask) switch 284BoundNodeAttributes.TopLevelAnnotated => CodeAnalysis.NullableAnnotation.Annotated, 285BoundNodeAttributes.TopLevelNotAnnotated => CodeAnalysis.NullableAnnotation.NotAnnotated, 286BoundNodeAttributes.TopLevelNone => CodeAnalysis.NullableAnnotation.None,

4077protected override IArrayTypeSymbol CommonCreateArrayTypeSymbol(ITypeSymbol elementType, int rank, CodeAnalysis.NullableAnnotation elementNullableAnnotation) 4188ImmutableArray<CodeAnalysis.NullableAnnotation> elementNullableAnnotations) 4214ImmutableArray<CodeAnalysis.NullableAnnotation> elementNullableAnnotations) 4244ImmutableArray<CodeAnalysis.NullableAnnotation> memberNullableAnnotations)

592private (ITypeSymbol Type, CodeAnalysis.NullableAnnotation Annotation) TypeFromVariable(SingleVariableDesignationSyntax variableDesignation, CancellationToken cancellationToken) 966var (declarationType, annotation) = ((ITypeSymbol, CodeAnalysis.NullableAnnotation))TypeFromVariable((SingleVariableDesignationSyntax)parent.Designation, cancellationToken); 2111convertedNullability = new NullabilityInfo(CodeAnalysis.NullableAnnotation.NotAnnotated, CodeAnalysis.NullableFlowState.NotNull); 2262nullability = new NullabilityInfo(CodeAnalysis.NullableAnnotation.NotAnnotated, CodeAnalysis.NullableFlowState.NotNull);

50CodeAnalysis.NullableAnnotation nullableAnnotation, 114CodeAnalysis.NullableAnnotation nullableAnnotation, 160CodeAnalysis.NullableAnnotation nullableAnnotation, 207CodeAnalysis.NullableAnnotation nullableAnnotation,

74AddPunctuation(type.NullableAnnotation == CodeAnalysis.NullableAnnotation.Annotated ? SyntaxKind.QuestionToken : SyntaxKind.ExclamationToken); 82case CodeAnalysis.NullableAnnotation.Annotated: 90case CodeAnalysis.NullableAnnotation.NotAnnotated: 919case CodeAnalysis.NullableAnnotation.Annotated: 926case CodeAnalysis.NullableAnnotation.NotAnnotated:

480protected sealed override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

245protected sealed override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

560protected sealed override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

126protected override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

148protected override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation) => throw ExceptionUtilities.Unreachable();

1149internal virtual CodeAnalysis.NullableAnnotation ReceiverNullableAnnotation => 1150RequiresInstanceReceiver ? CodeAnalysis.NullableAnnotation.NotAnnotated : CodeAnalysis.NullableAnnotation.None;

1714protected override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

91internal static NullabilityInfo ToNullabilityInfo(this CodeAnalysis.NullableAnnotation annotation, TypeSymbol type) 93if (annotation == CodeAnalysis.NullableAnnotation.None) 118internal static CodeAnalysis.NullableAnnotation ToPublicAnnotation(this TypeWithAnnotations type) => 121internal static ImmutableArray<CodeAnalysis.NullableAnnotation> ToPublicAnnotations(this ImmutableArray<TypeWithAnnotations> types) => 126internal static CodeAnalysis.NullableAnnotation ToPublicAnnotation(TypeSymbol? type, NullableAnnotation annotation) 131NullableAnnotation.Annotated => CodeAnalysis.NullableAnnotation.Annotated, 132NullableAnnotation.NotAnnotated => CodeAnalysis.NullableAnnotation.NotAnnotated, 137NullableAnnotation.Oblivious when type?.IsValueType == true => CodeAnalysis.NullableAnnotation.NotAnnotated, 138NullableAnnotation.Oblivious => CodeAnalysis.NullableAnnotation.None, 140NullableAnnotation.Ignored => CodeAnalysis.NullableAnnotation.None, 148internal static CSharp.NullableAnnotation ToInternalAnnotation(this CodeAnalysis.NullableAnnotation annotation) => 151CodeAnalysis.NullableAnnotation.None => CSharp.NullableAnnotation.Oblivious, 152CodeAnalysis.NullableAnnotation.NotAnnotated => CSharp.NullableAnnotation.NotAnnotated, 153CodeAnalysis.NullableAnnotation.Annotated => CSharp.NullableAnnotation.Annotated,

307protected override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

17public ArrayTypeSymbol(Symbols.ArrayTypeSymbol underlying, CodeAnalysis.NullableAnnotation nullableAnnotation) 24protected override ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation) 56CodeAnalysis.NullableAnnotation IArrayTypeSymbol.ElementNullableAnnotation

36CodeAnalysis.NullableAnnotation IDiscardSymbol.NullableAnnotation => _underlying.TypeWithAnnotations.ToPublicAnnotation();

14public DynamicTypeSymbol(Symbols.DynamicTypeSymbol underlying, CodeAnalysis.NullableAnnotation nullableAnnotation) 21protected override ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation)

15public ErrorTypeSymbol(Symbols.ErrorTypeSymbol underlying, CodeAnalysis.NullableAnnotation nullableAnnotation) 22protected override ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation)

38CodeAnalysis.NullableAnnotation IEventSymbol.NullableAnnotation => _underlying.TypeWithAnnotations.ToPublicAnnotation();

51CodeAnalysis.NullableAnnotation IFieldSymbol.NullableAnnotation => _underlying.TypeWithAnnotations.ToPublicAnnotation();

14public FunctionPointerTypeSymbol(Symbols.FunctionPointerTypeSymbol underlying, CodeAnalysis.NullableAnnotation nullableAnnotation) 40protected override ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation)

38CodeAnalysis.NullableAnnotation ILocalSymbol.NullableAnnotation => _underlying.TypeWithAnnotations.ToPublicAnnotation();

92CodeAnalysis.NullableAnnotation IMethodSymbol.ReturnNullableAnnotation 111ImmutableArray<CodeAnalysis.NullableAnnotation> IMethodSymbol.TypeArgumentNullableAnnotations => 186CodeAnalysis.NullableAnnotation IMethodSymbol.ReceiverNullableAnnotation => _underlying.ReceiverNullableAnnotation; 280IMethodSymbol IMethodSymbol.Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<CodeAnalysis.NullableAnnotation> typeArgumentNullableAnnotations)

17public NamedTypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation = CodeAnalysis.NullableAnnotation.None) 86ImmutableArray<CodeAnalysis.NullableAnnotation> INamedTypeSymbol.TypeArgumentNullableAnnotations 136INamedTypeSymbol INamedTypeSymbol.Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<CodeAnalysis.NullableAnnotation> typeArgumentNullableAnnotations)

15public NonErrorNamedTypeSymbol(Symbols.NamedTypeSymbol underlying, CodeAnalysis.NullableAnnotation nullableAnnotation) 23protected override ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation)

39CodeAnalysis.NullableAnnotation IParameterSymbol.NullableAnnotation => _underlying.TypeWithAnnotations.ToPublicAnnotation();

16public PointerTypeSymbol(Symbols.PointerTypeSymbol underlying, CodeAnalysis.NullableAnnotation nullableAnnotation) 23protected override ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation)

44CodeAnalysis.NullableAnnotation IPropertySymbol.NullableAnnotation => _underlying.TypeWithAnnotations.ToPublicAnnotation();

31protected static ImmutableArray<TypeWithAnnotations> ConstructTypeArguments(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<CodeAnalysis.NullableAnnotation> typeArgumentNullableAnnotations)

16public TypeParameterSymbol(Symbols.TypeParameterSymbol underlying, CodeAnalysis.NullableAnnotation nullableAnnotation) 23protected override ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation) 35CodeAnalysis.NullableAnnotation ITypeParameterSymbol.ReferenceTypeConstraintNullableAnnotation => 38false when !_underlying.HasReferenceTypeConstraint => CodeAnalysis.NullableAnnotation.None, 39false => CodeAnalysis.NullableAnnotation.NotAnnotated, 40true => CodeAnalysis.NullableAnnotation.Annotated, 41null => CodeAnalysis.NullableAnnotation.None, 70ImmutableArray<CodeAnalysis.NullableAnnotation> ITypeParameterSymbol.ConstraintNullableAnnotations =>

14protected TypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation) 19protected CodeAnalysis.NullableAnnotation NullableAnnotation { get; } 21protected abstract ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation); 25CodeAnalysis.NullableAnnotation ITypeSymbol.NullableAnnotation => NullableAnnotation; 27ITypeSymbol ITypeSymbol.WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation) 74(NullableAnnotation != CodeAnalysis.NullableAnnotation.None && otherType.NullableAnnotation != CodeAnalysis.NullableAnnotation.None)) &&

254internal override CodeAnalysis.NullableAnnotation ReceiverNullableAnnotation =>

710protected sealed override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

2504internal ITypeSymbol GetITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation) 2514internal CodeAnalysis.NullableAnnotation DefaultNullableAnnotation => NullableAnnotationExtensions.ToPublicAnnotation(this, NullableAnnotation.Oblivious); 2516protected abstract ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation);

229if (localSymbol.Type.NullableAnnotation == NullableAnnotation.Annotated) 245if (rightType.Type is null or { NullableAnnotation: NullableAnnotation.Annotated })

413property.Type.NullableAnnotation == NullableAnnotation.Annotated

161if (typeSymbol.NullableAnnotation == NullableAnnotation.Annotated) 169return typeSymbol.WithNullableAnnotation(NullableAnnotation.NotAnnotated);

144var localType = local.Type.WithNullableAnnotation(NullableAnnotation.NotAnnotated); 145var asType = asExpressionTypeInfo.Type.WithNullableAnnotation(NullableAnnotation.NotAnnotated);

252.Where(tp => tp.NullableAnnotation == NullableAnnotation.Annotated)

58NullableAnnotation.None => NullableSyntaxAnnotationEx.Oblivious, 59NullableAnnotation.Annotated => NullableSyntaxAnnotationEx.AnnotatedOrNotAnnotated, 60NullableAnnotation.NotAnnotated => NullableSyntaxAnnotationEx.AnnotatedOrNotAnnotated,

72if (underlyingType.NullableAnnotation == NullableAnnotation.Annotated) 106if (symbol.NullableAnnotation == NullableAnnotation.Annotated) 117return symbol.NullableAnnotation is NullableAnnotation.Annotated 302if (symbol is { IsValueType: false, NullableAnnotation: NullableAnnotation.Annotated }) 357if (symbol is { IsValueType: false, NullableAnnotation: NullableAnnotation.Annotated })

1129return CreateResult(SpecialType.System_Object, NullableAnnotation.Annotated); 1154return symbol.WithNullableAnnotation(NullableAnnotation.Annotated); 1592private static ImmutableArray<NullableAnnotation> GetNullableAnnotations(ImmutableArray<ITypeSymbol> elementTypes)

6651tuple2 = comp.CreateTupleTypeSymbol(underlyingType, default(ImmutableArray<string>), default(ImmutableArray<Location>), default(ImmutableArray<CodeAnalysis.NullableAnnotation>)); 6693tuple2 = comp.CreateTupleTypeSymbol(underlyingType, default(ImmutableArray<string>), default(ImmutableArray<Location>), default(ImmutableArray<CodeAnalysis.NullableAnnotation>)); 6731tuple2 = comp.CreateTupleTypeSymbol(elementTypes, default(ImmutableArray<string>), default(ImmutableArray<Location>), default(ImmutableArray<CodeAnalysis.NullableAnnotation>)); 6772tuple2 = comp.CreateTupleTypeSymbol(elementTypes, default(ImmutableArray<string>), default(ImmutableArray<Location>), default(ImmutableArray<CodeAnalysis.NullableAnnotation>)); 6802var e = Assert.Throws<ArgumentException>(() => comp.CreateTupleTypeSymbol(underlyingType, elementNullableAnnotations: ImmutableArray<CodeAnalysis.NullableAnnotation>.Empty)); 6807elementNullableAnnotations: ImmutableArray.Create(CodeAnalysis.NullableAnnotation.None, CodeAnalysis.NullableAnnotation.None)); 6813elementNullableAnnotations: ImmutableArray.Create(CodeAnalysis.NullableAnnotation.NotAnnotated, CodeAnalysis.NullableAnnotation.Annotated)); 6820elementNullableAnnotations: ImmutableArray.Create(CodeAnalysis.NullableAnnotation.Annotated, CodeAnalysis.NullableAnnotation.None)); 6842var e = Assert.Throws<ArgumentException>(() => comp.CreateTupleTypeSymbol(underlyingType, elementNullableAnnotations: CreateAnnotations(CodeAnalysis.NullableAnnotation.NotAnnotated, 8))); 6845tuple2 = comp.CreateTupleTypeSymbol(underlyingType, elementNullableAnnotations: CreateAnnotations(CodeAnalysis.NullableAnnotation.None, 9)); 6849tuple2 = comp.CreateTupleTypeSymbol(underlyingType, elementNullableAnnotations: CreateAnnotations(CodeAnalysis.NullableAnnotation.Annotated, 9)); 6871var e = Assert.Throws<ArgumentException>(() => comp.CreateTupleTypeSymbol(elementTypes, elementNullableAnnotations: ImmutableArray<CodeAnalysis.NullableAnnotation>.Empty)); 6876elementNullableAnnotations: ImmutableArray.Create(CodeAnalysis.NullableAnnotation.None, CodeAnalysis.NullableAnnotation.None)); 6882elementNullableAnnotations: ImmutableArray.Create(CodeAnalysis.NullableAnnotation.NotAnnotated, CodeAnalysis.NullableAnnotation.Annotated)); 6889elementNullableAnnotations: ImmutableArray.Create(CodeAnalysis.NullableAnnotation.Annotated, CodeAnalysis.NullableAnnotation.None)); 6911var e = Assert.Throws<ArgumentException>(() => comp.CreateTupleTypeSymbol(elementTypes, elementNullableAnnotations: CreateAnnotations(CodeAnalysis.NullableAnnotation.NotAnnotated, 8))); 6914tuple2 = comp.CreateTupleTypeSymbol(elementTypes, elementNullableAnnotations: CreateAnnotations(CodeAnalysis.NullableAnnotation.None, 9)); 6918tuple2 = comp.CreateTupleTypeSymbol(elementTypes, elementNullableAnnotations: CreateAnnotations(CodeAnalysis.NullableAnnotation.Annotated, 9)); 6924private static ImmutableArray<CodeAnalysis.NullableAnnotation> CreateAnnotations(CodeAnalysis.NullableAnnotation annotation, int n) =>

70Assert.Equal(CodeAnalysis.NullableAnnotation.None, symbol.NullableAnnotation); 71Assert.Throws<NotSupportedException>(() => { symbol.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated); });

343return type.WithNullableAnnotation(NullableAnnotation.NotAnnotated) as INamedTypeSymbol;

94symbol = typeSymbol.WithNullableAnnotation(NullableAnnotation.NotAnnotated);

1057if (methodSymbol.ReturnType.NullableAnnotation != NullableAnnotation.Annotated) 1123var newType = methodSymbol.ReturnType.WithNullableAnnotation(NullableAnnotation.NotAnnotated);

151(NullableAnnotation.None, _) => string.Format(FeaturesResources._0_is_not_nullable_aware, symbol.ToDisplayString(s_nullableDisplayFormat)), 157(NullableAnnotation annotation, NullableFlowState flowState)? GetNullabilityInfo() 159if (symbol.GetMemberType() is { IsValueType: false, NullableAnnotation: NullableAnnotation.None }) 160return (NullableAnnotation.None, NullableFlowState.NotNull);

229if (localSymbol.Type.NullableAnnotation == NullableAnnotation.Annotated) 245if (rightType.Type is null or { NullableAnnotation: NullableAnnotation.Annotated })

413property.Type.NullableAnnotation == NullableAnnotation.Annotated

161if (typeSymbol.NullableAnnotation == NullableAnnotation.Annotated) 169return typeSymbol.WithNullableAnnotation(NullableAnnotation.NotAnnotated);

144var localType = local.Type.WithNullableAnnotation(NullableAnnotation.NotAnnotated); 145var asType = asExpressionTypeInfo.Type.WithNullableAnnotation(NullableAnnotation.NotAnnotated);

5294Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, iopTree.Value.Type.NullableAnnotation);

14887protected override ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation) => this;

70VerifyDiscardParameterSymbol(underscores[0], "System.Int16", CodeAnalysis.NullableAnnotation.NotAnnotated, model); 71VerifyDiscardParameterSymbol(underscores[1], "System.String", CodeAnalysis.NullableAnnotation.None, model); 110private static void VerifyDiscardParameterSymbol(ParameterSyntax underscore, string expectedType, CodeAnalysis.NullableAnnotation expectedAnnotation, SemanticModel model) 419VerifyDiscardParameterSymbol(underscoreParameters[0], "System.Int32", CodeAnalysis.NullableAnnotation.NotAnnotated, model); 420VerifyDiscardParameterSymbol(underscoreParameters[1], "System.Int16", CodeAnalysis.NullableAnnotation.NotAnnotated, model);

1631Assert.Equal(CodeAnalysis.NullableAnnotation.NotAnnotated, underlyingType.NullableAnnotation); 1632Assert.Same(underlyingType, ((INamedTypeSymbol)type.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None)).NativeIntegerUnderlyingType); 1633Assert.Same(underlyingType, ((INamedTypeSymbol)type.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated)).NativeIntegerUnderlyingType); 1634Assert.Same(underlyingType, ((INamedTypeSymbol)type.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.NotAnnotated)).NativeIntegerUnderlyingType);

2079VerifySpeculativeSemanticModel(source, null, "string", Microsoft.CodeAnalysis.NullableAnnotation.None); 2092VerifySpeculativeSemanticModel(source, null, "string", Microsoft.CodeAnalysis.NullableAnnotation.NotAnnotated); 2106VerifySpeculativeSemanticModel(source, null, "string", Microsoft.CodeAnalysis.NullableAnnotation.None); 2116VerifySpeculativeSemanticModel(source, null, "string", Microsoft.CodeAnalysis.NullableAnnotation.NotAnnotated); 2125VerifySpeculativeSemanticModel(source, null, "string", Microsoft.CodeAnalysis.NullableAnnotation.None); 2135VerifySpeculativeSemanticModel(source, null, "string", Microsoft.CodeAnalysis.NullableAnnotation.NotAnnotated); 2156VerifySpeculativeSemanticModel(source, null, "string", Microsoft.CodeAnalysis.NullableAnnotation.None); 2173VerifySpeculativeSemanticModel(source, null, "string", Microsoft.CodeAnalysis.NullableAnnotation.NotAnnotated); 2214Microsoft.CodeAnalysis.NullableAnnotation expectedAnnotation = IsNullableEnabled(expectedWarningsState, isNullableEnabledForProject) ? 2215Microsoft.CodeAnalysis.NullableAnnotation.NotAnnotated : 2216Microsoft.CodeAnalysis.NullableAnnotation.None; 2221private static void VerifySpeculativeSemanticModel(string source, NullableContextOptions? projectContext, string typeName, Microsoft.CodeAnalysis.NullableAnnotation expectedAnnotation)

5173Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, local.NullableAnnotation); 5174Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, local.Type.NullableAnnotation); 59066Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, model.GetTypeInfo(declaration.Type).Nullability.Annotation); 59068Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, model.GetTypeInfo(declaration.Type).ConvertedNullability.Annotation); 62889Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, typeInfo.Nullability.Annotation); 71302Assert.Equal(CodeAnalysis.NullableAnnotation.NotAnnotated, symbol.GetPublicSymbol().NullableAnnotation); 71303Assert.Equal(CodeAnalysis.NullableAnnotation.NotAnnotated, symbol.GetPublicSymbol().Type.NullableAnnotation); 71921Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, model.GetTypeInfo(discard1).Nullability.Annotation); 71926Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, model.GetTypeInfo(discard2).Nullability.Annotation); 71931Assert.Equal(CodeAnalysis.NullableAnnotation.NotAnnotated, model.GetTypeInfo(discard3).Nullability.Annotation); 71936Assert.Equal(CodeAnalysis.NullableAnnotation.NotAnnotated, model.GetTypeInfo(discard4).Nullability.Annotation); 71968Assert.Equal(CodeAnalysis.NullableAnnotation.None, model.GetTypeInfoAndVerifyIOperation(discard1.Designation).Nullability.Annotation); 71970Assert.Equal(CodeAnalysis.NullableAnnotation.None, model.GetTypeInfo(discard1).Nullability.Annotation); 71979Assert.Equal(CodeAnalysis.NullableAnnotation.None, model.GetTypeInfo(discard2).Nullability.Annotation); 72008Assert.Equal(CodeAnalysis.NullableAnnotation.None, model.GetTypeInfo(discardPattern1).Nullability.Annotation); 72014Assert.Equal(CodeAnalysis.NullableAnnotation.None, model.GetTypeInfo(discardPattern2).Nullability.Annotation); 138285Assert.Equal(CodeAnalysis.NullableAnnotation.None, cT.GetPublicSymbol().ReferenceTypeConstraintNullableAnnotation); 138329Assert.Equal(CodeAnalysis.NullableAnnotation.None, cT.GetPublicSymbol().ReferenceTypeConstraintNullableAnnotation); 138369Assert.Equal(CodeAnalysis.NullableAnnotation.None, cT.GetPublicSymbol().ReferenceTypeConstraintNullableAnnotation); 138377Assert.Equal(CodeAnalysis.NullableAnnotation.None, cT.GetPublicSymbol().ReferenceTypeConstraintNullableAnnotation); 138417Assert.Equal(CodeAnalysis.NullableAnnotation.None, cT.GetPublicSymbol().ReferenceTypeConstraintNullableAnnotation); 138425Assert.Equal(CodeAnalysis.NullableAnnotation.None, cT.GetPublicSymbol().ReferenceTypeConstraintNullableAnnotation); 138454Assert.Equal(CodeAnalysis.NullableAnnotation.None, cT.GetPublicSymbol().ReferenceTypeConstraintNullableAnnotation); 138484Assert.Equal(CodeAnalysis.NullableAnnotation.None, cT.GetPublicSymbol().ReferenceTypeConstraintNullableAnnotation); 138514Assert.Equal(CodeAnalysis.NullableAnnotation.None, cT.GetPublicSymbol().ReferenceTypeConstraintNullableAnnotation); 138542Assert.Equal(CodeAnalysis.NullableAnnotation.None, cT.GetPublicSymbol().ReferenceTypeConstraintNullableAnnotation); 145421Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, local.NullableAnnotation); 145422Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, local.Type.NullableAnnotation); 145462Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, local.NullableAnnotation); 145463Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, local.Type.NullableAnnotation); 145502Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, local.NullableAnnotation); 145503Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, local.Type.NullableAnnotation); 145540Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, local.NullableAnnotation); 145541Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, local.Type.NullableAnnotation); 145578Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, local.NullableAnnotation); 145579Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, local.Type.NullableAnnotation); 145682Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, local.NullableAnnotation); 145683Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, local.Type.NullableAnnotation); 145721Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, local.NullableAnnotation); 145722Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, local.Type.NullableAnnotation); 146514Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, typeInfo.Nullability.Annotation); 154952(expectedAnnotation == NullableAnnotation.Annotated) ? CodeAnalysis.NullableAnnotation.Annotated : CodeAnalysis.NullableAnnotation.NotAnnotated, 156066Assert.Equal(CodeAnalysis.NullableAnnotation.NotAnnotated, model.GetTypeInfo(identifiers[0]).Nullability.Annotation); 156067Assert.Equal(CodeAnalysis.NullableAnnotation.None, model.GetTypeInfo(identifiers[1]).Nullability.Annotation); 156068Assert.Equal(CodeAnalysis.NullableAnnotation.NotAnnotated, model.GetTypeInfo(identifiers[2]).Nullability.Annotation); 156069Assert.Equal(CodeAnalysis.NullableAnnotation.None, model.GetTypeInfo(identifiers[3]).Nullability.Annotation); 158888Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, local.Type.NullableAnnotation); 161322Assert.Equal(CodeAnalysis.NullableAnnotation.NotAnnotated, typeInfo.Nullability.Annotation); 161368Assert.Equal(CodeAnalysis.NullableAnnotation.NotAnnotated, typeInfo.Nullability.Annotation);

824Assert.True(symbol.Parameters is [{ Name: "x", Type.SpecialType: SpecialType.System_String, Type.NullableAnnotation: CodeAnalysis.NullableAnnotation.Annotated, RefKind: RefKind.Ref, IsOptional: false }]); 858Assert.True(symbol.Parameters is [{ Name: "x", Type.SpecialType: SpecialType.System_String, Type.NullableAnnotation: CodeAnalysis.NullableAnnotation.NotAnnotated, RefKind: RefKind.Ref, IsOptional: false }]);

2464Assert.Equal(CodeAnalysis.NullableAnnotation.None, arrayType.ElementNullableAnnotation); 2465Assert.Equal(CodeAnalysis.NullableAnnotation.None, arrayType.ElementType.NullableAnnotation); 2472Assert.Equal(CodeAnalysis.NullableAnnotation.None, arrayType.ElementNullableAnnotation); 2473Assert.Equal(CodeAnalysis.NullableAnnotation.None, arrayType.ElementType.NullableAnnotation); 2480Assert.Equal(CodeAnalysis.NullableAnnotation.None, arrayType.ElementNullableAnnotation); 2481Assert.Equal(CodeAnalysis.NullableAnnotation.None, arrayType.ElementType.NullableAnnotation); 2491Assert.Equal(CodeAnalysis.NullableAnnotation.None, comp.CreateArrayTypeSymbol(elementType).ElementNullableAnnotation); 2492Assert.Equal(CodeAnalysis.NullableAnnotation.None, comp.CreateArrayTypeSymbol(elementType).ElementType.NullableAnnotation); 2493Assert.Equal(CodeAnalysis.NullableAnnotation.None, comp.CreateArrayTypeSymbol(elementType, elementNullableAnnotation: CodeAnalysis.NullableAnnotation.None).ElementNullableAnnotation); 2494Assert.Equal(CodeAnalysis.NullableAnnotation.None, comp.CreateArrayTypeSymbol(elementType, elementNullableAnnotation: CodeAnalysis.NullableAnnotation.None).ElementType.NullableAnnotation); 2495Assert.Equal(CodeAnalysis.NullableAnnotation.None, comp.CreateArrayTypeSymbol(elementType, elementNullableAnnotation: CodeAnalysis.NullableAnnotation.None).ElementNullableAnnotation); 2496Assert.Equal(CodeAnalysis.NullableAnnotation.None, comp.CreateArrayTypeSymbol(elementType, elementNullableAnnotation: CodeAnalysis.NullableAnnotation.None).ElementType.NullableAnnotation); 2497Assert.Equal(CodeAnalysis.NullableAnnotation.NotAnnotated, comp.CreateArrayTypeSymbol(elementType, elementNullableAnnotation: CodeAnalysis.NullableAnnotation.NotAnnotated).ElementNullableAnnotation); 2498Assert.Equal(CodeAnalysis.NullableAnnotation.NotAnnotated, comp.CreateArrayTypeSymbol(elementType, elementNullableAnnotation: CodeAnalysis.NullableAnnotation.NotAnnotated).ElementType.NullableAnnotation); 2499Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, comp.CreateArrayTypeSymbol(elementType, elementNullableAnnotation: CodeAnalysis.NullableAnnotation.Annotated).ElementNullableAnnotation); 2500Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, comp.CreateArrayTypeSymbol(elementType, elementNullableAnnotation: CodeAnalysis.NullableAnnotation.Annotated).ElementType.NullableAnnotation); 2687var type = comp.CreateAnonymousTypeSymbol(ImmutableArray<ITypeSymbol>.Empty, ImmutableArray<string>.Empty, memberNullableAnnotations: ImmutableArray<CodeAnalysis.NullableAnnotation>.Empty); 2689AssertEx.Equal(Array.Empty<CodeAnalysis.NullableAnnotation>(), GetAnonymousTypeNullableAnnotations(type)); 2702AssertEx.Equal(new[] { CodeAnalysis.NullableAnnotation.None, CodeAnalysis.NullableAnnotation.None }, GetAnonymousTypeNullableAnnotations(type)); 2704Assert.Throws<ArgumentException>(() => comp.CreateAnonymousTypeSymbol(memberTypes, memberNames, memberNullableAnnotations: ImmutableArray.Create(CodeAnalysis.NullableAnnotation.NotAnnotated))); 2706type = comp.CreateAnonymousTypeSymbol(memberTypes, memberNames, memberNullableAnnotations: ImmutableArray.Create(CodeAnalysis.NullableAnnotation.NotAnnotated, CodeAnalysis.NullableAnnotation.Annotated)); 2708AssertEx.Equal(new[] { CodeAnalysis.NullableAnnotation.NotAnnotated, CodeAnalysis.NullableAnnotation.Annotated }, GetAnonymousTypeNullableAnnotations(type)); 2711private static ImmutableArray<CodeAnalysis.NullableAnnotation> GetAnonymousTypeNullableAnnotations(ITypeSymbol type) 2715var result = p.Type.NullableAnnotation; 3033Assert.Throws<ArgumentException>(() => genericType.Construct(default(ImmutableArray<ITypeSymbol>), default(ImmutableArray<CodeAnalysis.NullableAnnotation>))); 3038AssertEx.Equal(new[] { CodeAnalysis.NullableAnnotation.None, CodeAnalysis.NullableAnnotation.None }, type.TypeArgumentNullableAnnotations); 3039AssertEx.Equal(new[] { CodeAnalysis.NullableAnnotation.None, CodeAnalysis.NullableAnnotation.None }, type.TypeArgumentNullableAnnotations()); 3041Assert.Throws<ArgumentException>(() => genericType.Construct(typeArguments, ImmutableArray<CodeAnalysis.NullableAnnotation>.Empty)); 3044type = genericType.Construct(typeArguments, ImmutableArray.Create(CodeAnalysis.NullableAnnotation.Annotated, CodeAnalysis.NullableAnnotation.NotAnnotated)); 3046AssertEx.Equal(new[] { CodeAnalysis.NullableAnnotation.Annotated, CodeAnalysis.NullableAnnotation.NotAnnotated }, type.TypeArgumentNullableAnnotations); 3047AssertEx.Equal(new[] { CodeAnalysis.NullableAnnotation.Annotated, CodeAnalysis.NullableAnnotation.NotAnnotated }, type.TypeArgumentNullableAnnotations()); 3068Assert.Throws<ArgumentException>(() => genericMethod.Construct(default(ImmutableArray<ITypeSymbol>), default(ImmutableArray<CodeAnalysis.NullableAnnotation>))); 3073AssertEx.Equal(new[] { CodeAnalysis.NullableAnnotation.None, CodeAnalysis.NullableAnnotation.None }, type.TypeArgumentNullableAnnotations); 3074AssertEx.Equal(new[] { CodeAnalysis.NullableAnnotation.None, CodeAnalysis.NullableAnnotation.None }, type.TypeArgumentNullableAnnotations()); 3076Assert.Throws<ArgumentException>(() => genericMethod.Construct(typeArguments, ImmutableArray<CodeAnalysis.NullableAnnotation>.Empty)); 3079type = genericMethod.Construct(typeArguments, ImmutableArray.Create(CodeAnalysis.NullableAnnotation.Annotated, CodeAnalysis.NullableAnnotation.NotAnnotated)); 3081AssertEx.Equal(new[] { CodeAnalysis.NullableAnnotation.Annotated, CodeAnalysis.NullableAnnotation.NotAnnotated }, type.TypeArgumentNullableAnnotations); 3082AssertEx.Equal(new[] { CodeAnalysis.NullableAnnotation.Annotated, CodeAnalysis.NullableAnnotation.NotAnnotated }, type.TypeArgumentNullableAnnotations());

6091{ Name: "C1", NullableAnnotation: Microsoft.CodeAnalysis.NullableAnnotation.NotAnnotated }, 6092{ Name: "C2", NullableAnnotation: Microsoft.CodeAnalysis.NullableAnnotation.Annotated } 6102{ Name: "C1", NullableAnnotation: Microsoft.CodeAnalysis.NullableAnnotation.NotAnnotated }, 6103{ Name: "C2", NullableAnnotation: Microsoft.CodeAnalysis.NullableAnnotation.Annotated }

4524Assert.Equal(CodeAnalysis.NullableAnnotation.None, typeInfo.Nullability.Annotation); 4525Assert.Equal(CodeAnalysis.NullableAnnotation.None, typeInfo.ConvertedNullability.Annotation); 4588Assert.Equal(CodeAnalysis.NullableAnnotation.None, typeInfo.Nullability.Annotation); 4589Assert.Equal(CodeAnalysis.NullableAnnotation.None, typeInfo.ConvertedNullability.Annotation); 4602Assert.Equal(CodeAnalysis.NullableAnnotation.None, typeInfo.Nullability.Annotation); 4603Assert.Equal(CodeAnalysis.NullableAnnotation.None, typeInfo.ConvertedNullability.Annotation);

22var notNullable = new NullabilityInfo(CodeAnalysis.NullableAnnotation.NotAnnotated, CodeAnalysis.NullableFlowState.NotNull); 23var nullable = new NullabilityInfo(CodeAnalysis.NullableAnnotation.Annotated, CodeAnalysis.NullableFlowState.MaybeNull); 27EqualityTesting.AssertEqual(new TypeInfo(obj.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated), int32, nullable, notNullable), 28new TypeInfo(obj.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated), int32, nullable, notNullable)); 30EqualityTesting.AssertNotEqual(new TypeInfo(obj.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated), obj.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated), nullable, nullable), 31new TypeInfo(obj.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated), int32.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated), nullable, nullable)); 33EqualityTesting.AssertNotEqual(new TypeInfo(int32.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated), obj.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated), nullable, nullable), 34new TypeInfo(obj.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated), obj.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated), nullable, nullable)); 36EqualityTesting.AssertNotEqual(new TypeInfo(obj.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated), int32.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated), nullable, nullable), 37new TypeInfo(obj.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.NotAnnotated), int32.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated), notNullable, nullable)); 39EqualityTesting.AssertNotEqual(new TypeInfo(obj.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated), int32.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated), nullable, nullable), 40new TypeInfo(obj.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated), int32, nullable, notNullable)); 42EqualityTesting.AssertEqual(new TypeInfo(int32.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None), int32.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None), default, default), 43new TypeInfo(int32.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None), int32.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None), default, default)); 47EqualityTesting.AssertEqual(new TypeInfo(intEnum1.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None), int32.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None), default, default), 48new TypeInfo(intEnum2.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None), int32.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None), default, default));

1570c.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None), 1572ImmutableArray.Create(c.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.NotAnnotated), c.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.Annotated)),

19using PublicNullableAnnotation = Microsoft.CodeAnalysis.NullableAnnotation; 58Assert.Equal(PublicNullableAnnotation.Annotated, arrayTypes[0].ElementNullableAnnotation); 59Assert.Equal(PublicNullableAnnotation.Annotated, arrayTypes[0].ElementType.NullableAnnotation); 60Assert.Equal(PublicNullableAnnotation.NotAnnotated, arrayTypes[1].ElementNullableAnnotation); 61Assert.Equal(PublicNullableAnnotation.NotAnnotated, arrayTypes[1].ElementType.NullableAnnotation); 92Assert.Equal(PublicNullableAnnotation.NotAnnotated, expressionTypes[0].TypeArgumentNullableAnnotations.Single()); 93Assert.Equal(PublicNullableAnnotation.NotAnnotated, expressionTypes[0].TypeArgumentNullableAnnotations().Single()); 94Assert.Equal(PublicNullableAnnotation.Annotated, expressionTypes[1].TypeArgumentNullableAnnotations.Single()); 95Assert.Equal(PublicNullableAnnotation.Annotated, expressionTypes[1].TypeArgumentNullableAnnotations().Single()); 96Assert.Equal(PublicNullableAnnotation.NotAnnotated, expressionTypes[2].TypeArgumentNullableAnnotations.Single()); 97Assert.Equal(PublicNullableAnnotation.NotAnnotated, expressionTypes[2].TypeArgumentNullableAnnotations().Single()); 151var result = member.Type.NullableAnnotation; 156PublicNullableAnnotation.NotAnnotated, 157PublicNullableAnnotation.Annotated, 158PublicNullableAnnotation.NotAnnotated, 159PublicNullableAnnotation.Annotated, 160PublicNullableAnnotation.None, 161PublicNullableAnnotation.Annotated, 162PublicNullableAnnotation.NotAnnotated, 163PublicNullableAnnotation.Annotated); 218var result = member.Type.NullableAnnotation; 223PublicNullableAnnotation.NotAnnotated, 224PublicNullableAnnotation.Annotated, 225PublicNullableAnnotation.NotAnnotated, 226PublicNullableAnnotation.Annotated, 227PublicNullableAnnotation.None, 228PublicNullableAnnotation.Annotated, 229PublicNullableAnnotation.NotAnnotated, 230PublicNullableAnnotation.Annotated); 292var result = member.ReturnType.NullableAnnotation; 297PublicNullableAnnotation.NotAnnotated, 298PublicNullableAnnotation.Annotated, 299PublicNullableAnnotation.None, 300PublicNullableAnnotation.Annotated, 301PublicNullableAnnotation.NotAnnotated, 302PublicNullableAnnotation.Annotated, 303PublicNullableAnnotation.NotAnnotated, 304PublicNullableAnnotation.Annotated); 381var result = member.Type.NullableAnnotation; 386PublicNullableAnnotation.NotAnnotated, 387PublicNullableAnnotation.None, 388PublicNullableAnnotation.Annotated, 389PublicNullableAnnotation.Annotated, 390PublicNullableAnnotation.NotAnnotated, 391PublicNullableAnnotation.NotAnnotated, 392PublicNullableAnnotation.Annotated, 393PublicNullableAnnotation.Annotated); 482PublicNullableAnnotation.None, 483PublicNullableAnnotation.NotAnnotated, 484PublicNullableAnnotation.None, 485PublicNullableAnnotation.NotAnnotated); 490PublicNullableAnnotation.NotAnnotated, 491PublicNullableAnnotation.Annotated, 492PublicNullableAnnotation.NotAnnotated, 493PublicNullableAnnotation.Annotated, 494PublicNullableAnnotation.None, 495PublicNullableAnnotation.Annotated, 496PublicNullableAnnotation.NotAnnotated, 497PublicNullableAnnotation.Annotated); 499static void assertNullability(IMethodSymbol[] methods, params PublicNullableAnnotation[] expectedAnnotations) 503var result = m.ReceiverType.NullableAnnotation; 576Assert.Equal(PublicNullableAnnotation.None, method.ReceiverNullableAnnotation); 577Assert.Equal(PublicNullableAnnotation.None, method.ReceiverType.NullableAnnotation); 578var result = method.ReturnType.NullableAnnotation; 583PublicNullableAnnotation.NotAnnotated, 584PublicNullableAnnotation.Annotated, 585PublicNullableAnnotation.NotAnnotated, 586PublicNullableAnnotation.Annotated, 587PublicNullableAnnotation.None, 588PublicNullableAnnotation.Annotated, 589PublicNullableAnnotation.NotAnnotated, 590PublicNullableAnnotation.Annotated); 641var result = member.Type.NullableAnnotation; 646PublicNullableAnnotation.NotAnnotated, 647PublicNullableAnnotation.Annotated, 648PublicNullableAnnotation.None, 649PublicNullableAnnotation.Annotated); 697var result = array.ElementType.NullableAnnotation; 702PublicNullableAnnotation.NotAnnotated, 703PublicNullableAnnotation.Annotated, 704PublicNullableAnnotation.NotAnnotated, 705PublicNullableAnnotation.Annotated, 706PublicNullableAnnotation.None, 707PublicNullableAnnotation.Annotated, 708PublicNullableAnnotation.NotAnnotated, 709PublicNullableAnnotation.Annotated); 760var result = method.ReturnType.NullableAnnotation; 765PublicNullableAnnotation.NotAnnotated, 766PublicNullableAnnotation.NotAnnotated, 767PublicNullableAnnotation.Annotated, 768PublicNullableAnnotation.NotAnnotated, 769PublicNullableAnnotation.Annotated, 770PublicNullableAnnotation.None, 771PublicNullableAnnotation.None, 772PublicNullableAnnotation.Annotated, 773PublicNullableAnnotation.NotAnnotated, 774PublicNullableAnnotation.Annotated); 826var result = typeParameterSymbol.ConstraintTypes.Single().NullableAnnotation; 831PublicNullableAnnotation.NotAnnotated, 832PublicNullableAnnotation.Annotated, 833PublicNullableAnnotation.NotAnnotated, 834PublicNullableAnnotation.Annotated, 835PublicNullableAnnotation.None, 836PublicNullableAnnotation.Annotated, 837PublicNullableAnnotation.NotAnnotated, 838PublicNullableAnnotation.Annotated); 892var result = ((INamedTypeSymbol)method.ReturnType).TypeArguments.Single().NullableAnnotation; 898PublicNullableAnnotation.NotAnnotated, 899PublicNullableAnnotation.NotAnnotated, 900PublicNullableAnnotation.Annotated, 901PublicNullableAnnotation.NotAnnotated, 902PublicNullableAnnotation.Annotated, 903PublicNullableAnnotation.None, 904PublicNullableAnnotation.None, 905PublicNullableAnnotation.Annotated, 906PublicNullableAnnotation.NotAnnotated, 907PublicNullableAnnotation.Annotated); 949var result = method.TypeArguments.Single().NullableAnnotation; 955PublicNullableAnnotation.NotAnnotated, 956PublicNullableAnnotation.NotAnnotated, 957PublicNullableAnnotation.Annotated, 958PublicNullableAnnotation.NotAnnotated, 959PublicNullableAnnotation.Annotated, 960PublicNullableAnnotation.None, 961PublicNullableAnnotation.None, 962PublicNullableAnnotation.Annotated, 963PublicNullableAnnotation.NotAnnotated, 964PublicNullableAnnotation.Annotated 1006var result = localSymbol.Type.NullableAnnotation; 1013PublicNullableAnnotation.NotAnnotated, 1014PublicNullableAnnotation.NotAnnotated, 1015PublicNullableAnnotation.Annotated, 1016PublicNullableAnnotation.NotAnnotated, 1017PublicNullableAnnotation.Annotated, 1018PublicNullableAnnotation.None, 1019PublicNullableAnnotation.None, 1020PublicNullableAnnotation.Annotated, 1021PublicNullableAnnotation.NotAnnotated, 1022PublicNullableAnnotation.Annotated 1031Func<T, PublicNullableAnnotation> nullabilityFunc, 1033params PublicNullableAnnotation[] expectedNullabilities) 1101Assert.Equal(PublicNullableAnnotation.NotAnnotated, typeInfo.Nullability.Annotation); 1216var nullable = new NullabilityInfo(PublicNullableAnnotation.Annotated, PublicNullableFlowState.MaybeNull); 1217var notNullable = new NullabilityInfo(PublicNullableAnnotation.NotAnnotated, PublicNullableFlowState.NotNull); 1265var notNull = new NullabilityInfo(PublicNullableAnnotation.NotAnnotated, PublicNullableFlowState.NotNull); 1266var @null = new NullabilityInfo(PublicNullableAnnotation.Annotated, PublicNullableFlowState.MaybeNull); 1631Assert.Equal(PublicNullableAnnotation.Annotated, type.Nullability.Annotation); 1674Assert.Equal(PublicNullableAnnotation.None, type.Nullability.Annotation); 1717Assert.Equal(PublicNullableAnnotation.None, type.Nullability.Annotation); 1795Assert.Equal(PublicNullableAnnotation.Annotated, info.Nullability.Annotation); 1854verifySymbolInfo((IMethodSymbol)symbolInfo.Symbol, PublicNullableAnnotation.Annotated); 1856verifySymbolInfo((IMethodSymbol)symbolInfo.Symbol, PublicNullableAnnotation.NotAnnotated); 1858static void verifySymbolInfo(IMethodSymbol methodSymbol, PublicNullableAnnotation expectedAnnotation) 1897verifySymbolInfo((IMethodSymbol)symbolInfo.Symbol, PublicNullableAnnotation.Annotated); 1899verifySymbolInfo((IMethodSymbol)symbolInfo.Symbol, PublicNullableAnnotation.NotAnnotated); 1901static void verifySymbolInfo(IMethodSymbol methodSymbol, PublicNullableAnnotation expectedAnnotation) 1949Assert.Equal(PublicNullableAnnotation.Annotated, symbol.NullableAnnotation); 1950Assert.Equal(PublicNullableAnnotation.Annotated, symbol.Type.NullableAnnotation); 1955Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, typeInfo.Nullability.Annotation); 1956Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, typeInfo.ConvertedNullability.Annotation); 1988assertAnnotation(declarations[0], PublicNullableAnnotation.NotAnnotated); 1989assertAnnotation(declarations[1], PublicNullableAnnotation.Annotated); 1990assertAnnotation(declarations[2], PublicNullableAnnotation.Annotated); 1991assertAnnotation(declarations[3], PublicNullableAnnotation.NotAnnotated); 1993void assertAnnotation(VariableDeclaratorSyntax variable, PublicNullableAnnotation expectedAnnotation) 2049assertAnnotation(declarations[0], PublicNullableAnnotation.Annotated, PublicNullableAnnotation.Annotated); 2050assertAnnotation(declarations[1], PublicNullableAnnotation.Annotated, PublicNullableAnnotation.Annotated); 2051assertAnnotation(declarations[2], PublicNullableAnnotation.Annotated, PublicNullableAnnotation.Annotated); 2052assertAnnotation(declarations[4], PublicNullableAnnotation.Annotated, PublicNullableAnnotation.Annotated); 2054void assertAnnotation(AssignmentExpressionSyntax variable, PublicNullableAnnotation expectedAnnotation1, PublicNullableAnnotation expectedAnnotation2) 2092assertAnnotation(declarations[0], PublicNullableAnnotation.NotAnnotated, PublicNullableAnnotation.Annotated); 2093assertAnnotation(declarations[1], PublicNullableAnnotation.Annotated, PublicNullableAnnotation.Annotated); 2094assertAnnotation(declarations[2], PublicNullableAnnotation.Annotated, PublicNullableAnnotation.Annotated); 2095assertAnnotation(declarations[4], PublicNullableAnnotation.Annotated, PublicNullableAnnotation.NotAnnotated); 2097void assertAnnotation(AssignmentExpressionSyntax variable, PublicNullableAnnotation expectedAnnotation1, PublicNullableAnnotation expectedAnnotation2) 2139Assert.Equal(PublicNullableAnnotation.Annotated, ((ILocalSymbol)specModel.GetDeclaredSymbol(newDeclarator)).NullableAnnotation); 2140Assert.Equal(PublicNullableAnnotation.Annotated, ((ILocalSymbol)specModel.GetDeclaredSymbol(newDeclarator)).Type.NullableAnnotation); 2143Assert.Equal(PublicNullableAnnotation.Annotated, ((ILocalSymbol)specModel.GetDeclaredSymbol(newDeclarator)).NullableAnnotation); 2144Assert.Equal(PublicNullableAnnotation.Annotated, ((ILocalSymbol)specModel.GetDeclaredSymbol(newDeclarator)).Type.NullableAnnotation); 2178assertAnnotation(declarations[0], PublicNullableAnnotation.Annotated); 2179assertAnnotation(declarations[1], PublicNullableAnnotation.Annotated); 2180assertAnnotation(declarations[2], PublicNullableAnnotation.Annotated); 2181assertAnnotation(declarations[3], PublicNullableAnnotation.Annotated); 2182assertAnnotation(declarations[4], PublicNullableAnnotation.Annotated); 2183assertAnnotation(declarations[5], PublicNullableAnnotation.Annotated); 2185void assertAnnotation(VariableDeclaratorSyntax variable, PublicNullableAnnotation expectedAnnotation) 2220Assert.Equal(PublicNullableAnnotation.Annotated, symbol.NullableAnnotation); 2221Assert.Equal(PublicNullableAnnotation.Annotated, symbol.Type.NullableAnnotation); 2250assertAnnotation(declarations[0], PublicNullableAnnotation.Annotated); 2251assertAnnotation(declarations[1], PublicNullableAnnotation.Annotated); 2252assertAnnotation(declarations[2], PublicNullableAnnotation.Annotated); 2253assertAnnotation(declarations[3], PublicNullableAnnotation.Annotated); 2255void assertAnnotation(VariableDeclaratorSyntax variable, PublicNullableAnnotation expectedAnnotation) 2284assertAnnotation(declarations[0], PublicNullableAnnotation.Annotated); 2285assertAnnotation(declarations[1], PublicNullableAnnotation.Annotated); 2287void assertAnnotation(SingleVariableDesignationSyntax variable, PublicNullableAnnotation expectedAnnotation) 2296Assert.Equal(PublicNullableAnnotation.Annotated, typeInfo.Nullability.Annotation); 2328assertAnnotation(declarations[0], PublicNullableAnnotation.Annotated); 2329assertAnnotation(declarations[1], PublicNullableAnnotation.Annotated); 2330assertAnnotation(declarations[2], PublicNullableAnnotation.Annotated); 2331assertAnnotation(declarations[3], PublicNullableAnnotation.Annotated); 2333void assertAnnotation(SingleVariableDesignationSyntax variable, PublicNullableAnnotation expectedAnnotation) 2370assertAnnotation(declarations[0], PublicNullableAnnotation.NotAnnotated); 2371assertAnnotation(declarations[1], PublicNullableAnnotation.Annotated); 2372assertAnnotation(declarations[2], PublicNullableAnnotation.Annotated); 2373assertAnnotation(declarations[3], PublicNullableAnnotation.Annotated); 2375void assertAnnotation(SingleVariableDesignationSyntax variable, PublicNullableAnnotation expectedAnnotation) 2415assertAnnotation(declarations[1], PublicNullableAnnotation.Annotated); 2416assertAnnotation(declarations[3], PublicNullableAnnotation.Annotated); 2418void assertAnnotation(VariableDeclaratorSyntax variable, PublicNullableAnnotation expectedAnnotation) 2463Assert.Equal(PublicNullableAnnotation.Annotated, symbol.NullableAnnotation); 2464Assert.Equal(PublicNullableAnnotation.Annotated, symbol.Type.NullableAnnotation); 2467Assert.Equal(PublicNullableAnnotation.Annotated, typeInfo.Nullability.Annotation); 2468Assert.Equal(PublicNullableAnnotation.Annotated, typeInfo.ConvertedNullability.Annotation); 2469Assert.Equal(PublicNullableAnnotation.Annotated, typeInfo.Type.NullableAnnotation); 2470Assert.Equal(PublicNullableAnnotation.Annotated, typeInfo.ConvertedType.NullableAnnotation); 2503assertAnnotation(declarations[0], PublicNullableAnnotation.Annotated); 2504assertAnnotation(declarations[1], PublicNullableAnnotation.NotAnnotated); 2505assertAnnotation(declarations[2], PublicNullableAnnotation.NotAnnotated); 2506assertAnnotation(declarations[3], PublicNullableAnnotation.Annotated); 2508void assertAnnotation(ForEachStatementSyntax variable, PublicNullableAnnotation expectedAnnotation) 2548assertAnnotation(declarations[0], PublicNullableAnnotation.Annotated); 2549assertAnnotation(declarations[1], PublicNullableAnnotation.Annotated); 2550assertAnnotation(declarations[2], PublicNullableAnnotation.Annotated); 2551assertAnnotation(declarations[3], PublicNullableAnnotation.NotAnnotated); 2552assertAnnotation(declarations[4], PublicNullableAnnotation.Annotated); 2553assertAnnotation(declarations[5], PublicNullableAnnotation.NotAnnotated); 2554assertAnnotation(declarations[6], PublicNullableAnnotation.Annotated); 2555assertAnnotation(declarations[7], PublicNullableAnnotation.Annotated); 2557void assertAnnotation(SingleVariableDesignationSyntax variable, PublicNullableAnnotation expectedAnnotation) 2569Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, typeInfo.Nullability.Annotation); 2570Assert.Equal(CodeAnalysis.NullableAnnotation.Annotated, typeInfo.ConvertedNullability.Annotation); 2597assertAnnotation(declarations[0], PublicNullableAnnotation.Annotated); 2598assertAnnotation(declarations[1], PublicNullableAnnotation.NotAnnotated); 2600void assertAnnotation(ForEachStatementSyntax foreachStatement, PublicNullableAnnotation expectedElementTypeAnnotation) 2740Assert.Equal(PublicNullableAnnotation.Annotated, ((IPropertySymbol)symInfo.Symbol).NullableAnnotation); 2741Assert.Equal(PublicNullableAnnotation.Annotated, ((IPropertySymbol)symInfo.Symbol).Type.NullableAnnotation); 2742Assert.Equal(PublicNullableAnnotation.Annotated, symInfo.Symbol.ContainingType.TypeArgumentNullableAnnotations[0]); 2743Assert.Equal(PublicNullableAnnotation.Annotated, symInfo.Symbol.ContainingType.TypeArgumentNullableAnnotations().First()); 2745Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((IPropertySymbol)symInfo.Symbol).NullableAnnotation); 2746Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((IPropertySymbol)symInfo.Symbol).Type.NullableAnnotation); 2747Assert.Equal(PublicNullableAnnotation.NotAnnotated, symInfo.Symbol.ContainingType.TypeArgumentNullableAnnotations[0]); 2748Assert.Equal(PublicNullableAnnotation.NotAnnotated, symInfo.Symbol.ContainingType.TypeArgumentNullableAnnotations().First()); 2786Assert.Equal(PublicNullableAnnotation.Annotated, ((IFieldSymbol)symInfo.Symbol).NullableAnnotation); 2787Assert.Equal(PublicNullableAnnotation.Annotated, ((IFieldSymbol)symInfo.Symbol).Type.NullableAnnotation); 2788Assert.Equal(PublicNullableAnnotation.Annotated, symInfo.Symbol.ContainingType.TypeArgumentNullableAnnotations[0]); 2789Assert.Equal(PublicNullableAnnotation.Annotated, symInfo.Symbol.ContainingType.TypeArgumentNullableAnnotations().First()); 2791Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((IFieldSymbol)symInfo.Symbol).NullableAnnotation); 2792Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((IFieldSymbol)symInfo.Symbol).Type.NullableAnnotation); 2793Assert.Equal(PublicNullableAnnotation.NotAnnotated, symInfo.Symbol.ContainingType.TypeArgumentNullableAnnotations[0]); 2794Assert.Equal(PublicNullableAnnotation.NotAnnotated, symInfo.Symbol.ContainingType.TypeArgumentNullableAnnotations().First()); 2829Assert.Equal(PublicNullableAnnotation.Annotated, ((IEventSymbol)symInfo.Symbol).NullableAnnotation); 2830Assert.Equal(PublicNullableAnnotation.Annotated, ((IEventSymbol)symInfo.Symbol).Type.NullableAnnotation); 2831Assert.Equal(PublicNullableAnnotation.Annotated, symInfo.Symbol.ContainingType.TypeArgumentNullableAnnotations[0]); 2832Assert.Equal(PublicNullableAnnotation.Annotated, symInfo.Symbol.ContainingType.TypeArgumentNullableAnnotations().First()); 2834Assert.Equal(PublicNullableAnnotation.Annotated, ((IEventSymbol)symInfo.Symbol).NullableAnnotation); 2835Assert.Equal(PublicNullableAnnotation.Annotated, ((IEventSymbol)symInfo.Symbol).Type.NullableAnnotation); 2836Assert.Equal(PublicNullableAnnotation.NotAnnotated, symInfo.Symbol.ContainingType.TypeArgumentNullableAnnotations[0]); 2837Assert.Equal(PublicNullableAnnotation.NotAnnotated, symInfo.Symbol.ContainingType.TypeArgumentNullableAnnotations().First()); 2878Assert.Equal(PublicNullableAnnotation.Annotated, ((IEventSymbol)symInfo.Symbol).NullableAnnotation); 2879Assert.Equal(PublicNullableAnnotation.Annotated, ((IEventSymbol)symInfo.Symbol).Type.NullableAnnotation); 2880Assert.Equal(PublicNullableAnnotation.Annotated, symInfo.Symbol.ContainingType.TypeArgumentNullableAnnotations[0]); 2881Assert.Equal(PublicNullableAnnotation.Annotated, symInfo.Symbol.ContainingType.TypeArgumentNullableAnnotations().First()); 2883Assert.Equal(PublicNullableAnnotation.Annotated, ((IEventSymbol)symInfo.Symbol).NullableAnnotation); 2884Assert.Equal(PublicNullableAnnotation.Annotated, ((IEventSymbol)symInfo.Symbol).Type.NullableAnnotation); 2885Assert.Equal(PublicNullableAnnotation.NotAnnotated, symInfo.Symbol.ContainingType.TypeArgumentNullableAnnotations[0]); 2886Assert.Equal(PublicNullableAnnotation.NotAnnotated, symInfo.Symbol.ContainingType.TypeArgumentNullableAnnotations().First()); 2920Assert.Equal(PublicNullableAnnotation.Annotated, typeInfo.Type.NullableAnnotation); 2924Assert.Equal(PublicNullableAnnotation.NotAnnotated, typeInfo.Type.NullableAnnotation); 2929Assert.Equal(PublicNullableAnnotation.None, typeInfo.Type.NullableAnnotation); 2959verifyAnnotation(collectionInitializer.Expressions[0], PublicNullableAnnotation.Annotated); 2960verifyAnnotation(collectionInitializer.Expressions[1], PublicNullableAnnotation.NotAnnotated); 2961verifyAnnotation(collectionInitializer.Expressions[2], PublicNullableAnnotation.NotAnnotated); 2962verifyAnnotation(collectionInitializer.Expressions[3], PublicNullableAnnotation.NotAnnotated); 2964void verifyAnnotation(ExpressionSyntax expr, PublicNullableAnnotation expectedAnnotation) 3001verifyAnnotation(collectionInitializer.Expressions[0], PublicNullableAnnotation.Annotated); 3002verifyAnnotation(collectionInitializer.Expressions[1], PublicNullableAnnotation.NotAnnotated); 3003verifyAnnotation(collectionInitializer.Expressions[2], PublicNullableAnnotation.NotAnnotated); 3004verifyAnnotation(collectionInitializer.Expressions[3], PublicNullableAnnotation.NotAnnotated); 3006void verifyAnnotation(ExpressionSyntax expr, PublicNullableAnnotation expectedAnnotation) 3043verifyAnnotation(collectionInitializer.Expressions[0], PublicNullableAnnotation.Annotated); 3044verifyAnnotation(collectionInitializer.Expressions[1], PublicNullableAnnotation.NotAnnotated); 3045verifyAnnotation(collectionInitializer.Expressions[2], PublicNullableAnnotation.NotAnnotated); 3046verifyAnnotation(collectionInitializer.Expressions[3], PublicNullableAnnotation.NotAnnotated); 3048void verifyAnnotation(ExpressionSyntax expr, PublicNullableAnnotation expectedAnnotation) 3051Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((IMethodSymbol)symbolInfo.Symbol).TypeArgumentNullableAnnotations[0]); 3052Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((IMethodSymbol)symbolInfo.Symbol).TypeArguments[0].NullableAnnotation); 3114Assert.Equal(PublicNullableAnnotation.None, ((IMethodSymbol)symbol).TypeArgumentNullableAnnotations[0]); 3115Assert.Equal(PublicNullableAnnotation.None, ((IMethodSymbol)symbol).TypeArguments[0].NullableAnnotation); 3150verifyAnnotation(collectionInitializer.Expressions[0], PublicNullableAnnotation.Annotated, PublicNullableAnnotation.NotAnnotated); 3151verifyAnnotation(collectionInitializer.Expressions[1], PublicNullableAnnotation.NotAnnotated, PublicNullableAnnotation.Annotated); 3152verifyAnnotation(collectionInitializer.Expressions[2], PublicNullableAnnotation.NotAnnotated, PublicNullableAnnotation.NotAnnotated); 3154void verifyAnnotation(ExpressionSyntax expr, PublicNullableAnnotation annotation1, PublicNullableAnnotation annotation2) 3195verifyAnnotation(collectionInitializer.Expressions[0], PublicNullableAnnotation.Annotated); 3196verifyAnnotation(collectionInitializer.Expressions[1], PublicNullableAnnotation.Annotated); 3197verifyAnnotation(collectionInitializer.Expressions[2], PublicNullableAnnotation.NotAnnotated); 3199void verifyAnnotation(ExpressionSyntax expr, PublicNullableAnnotation annotation) 3259verifyAnnotation(indexers.Slice(0, 2), PublicNullableAnnotation.Annotated, PublicNullableAnnotation.NotAnnotated); 3260verifyAnnotation(indexers.Slice(2, 2), PublicNullableAnnotation.NotAnnotated, PublicNullableAnnotation.Annotated); 3261verifyAnnotation(indexers.Slice(4, 2), PublicNullableAnnotation.NotAnnotated, PublicNullableAnnotation.NotAnnotated); 3263void verifyAnnotation(Span<ElementAccessExpressionSyntax> indexers, PublicNullableAnnotation firstAnnotation, PublicNullableAnnotation secondAnnotation) 3311verifyAnnotation(elementAccesses.Slice(0, 2), PublicNullableAnnotation.Annotated); 3312verifyAnnotation(elementAccesses.Slice(2, 2), PublicNullableAnnotation.NotAnnotated); 3314void verifyAnnotation(Span<ElementAccessExpressionSyntax> indexers, PublicNullableAnnotation annotation) 3360verifyAnnotation(elementAccesses[0], PublicNullableAnnotation.Annotated); 3361verifyAnnotation(elementAccesses[1], PublicNullableAnnotation.NotAnnotated); 3363void verifyAnnotation(ElementAccessExpressionSyntax indexer, PublicNullableAnnotation annotation) 3406verifyAnnotations(operators[0], PublicNullableAnnotation.Annotated, "S<T?> S<T?>.operator ~(S<T?> s)"); 3407verifyAnnotations(operators[1], PublicNullableAnnotation.NotAnnotated, "S<T!> S<T!>.operator ~(S<T!> s)"); 3409void verifyAnnotations(PrefixUnaryExpressionSyntax syntax, PublicNullableAnnotation annotation, string expected) 3451verifyAnnotations(operators[0], PublicNullableAnnotation.Annotated, "S<T?> S<T?>.operator +(S<T?> x, S<T?> y)"); 3452verifyAnnotations(operators[1], PublicNullableAnnotation.NotAnnotated, "S<T!> S<T!>.operator +(S<T!> x, S<T!> y)"); 3454void verifyAnnotations(BinaryExpressionSyntax syntax, PublicNullableAnnotation annotation, string expected) 3492Assert.Equal(PublicNullableAnnotation.Annotated, lambdaSymbol.Parameters[0].NullableAnnotation); 3493Assert.Equal(PublicNullableAnnotation.Annotated, lambdaSymbol.Parameters[0].Type.NullableAnnotation); 3504Assert.Equal(PublicNullableAnnotation.Annotated, parameterSymbol.NullableAnnotation); 3505Assert.Equal(PublicNullableAnnotation.Annotated, parameterSymbol.Type.NullableAnnotation); 3545Assert.Equal(PublicNullableAnnotation.NotAnnotated, innerLambdaSymbol.Parameters[0].NullableAnnotation); 3546Assert.Equal(PublicNullableAnnotation.NotAnnotated, innerLambdaSymbol.Parameters[0].Type.NullableAnnotation); 3557Assert.Equal(PublicNullableAnnotation.Annotated, o1Symbol.NullableAnnotation); 3558Assert.Equal(PublicNullableAnnotation.Annotated, o1Symbol.Type.NullableAnnotation); 3568Assert.Equal(PublicNullableAnnotation.NotAnnotated, o2Symbol.NullableAnnotation); 3569Assert.Equal(PublicNullableAnnotation.NotAnnotated, o2Symbol.Type.NullableAnnotation); 3606Assert.Equal(PublicNullableAnnotation.NotAnnotated, innerLambdaSymbol.Parameters[0].NullableAnnotation); 3607Assert.Equal(PublicNullableAnnotation.NotAnnotated, innerLambdaSymbol.Parameters[0].Type.NullableAnnotation); 3618Assert.Equal(PublicNullableAnnotation.Annotated, o1Symbol.NullableAnnotation); 3619Assert.Equal(PublicNullableAnnotation.Annotated, o1Symbol.Type.NullableAnnotation); 3629Assert.Equal(PublicNullableAnnotation.NotAnnotated, o2Symbol.NullableAnnotation); 3630Assert.Equal(PublicNullableAnnotation.NotAnnotated, o2Symbol.Type.NullableAnnotation); 3920Assert.Equal(PublicNullableAnnotation.NotAnnotated, o1Symbol.NullableAnnotation); 3921Assert.Equal(PublicNullableAnnotation.NotAnnotated, o1Symbol.Type.NullableAnnotation); 3922Assert.Equal(PublicNullableAnnotation.Annotated, o2Symbol.NullableAnnotation); 3923Assert.Equal(PublicNullableAnnotation.Annotated, o2Symbol.Type.NullableAnnotation); 3934Assert.Equal(PublicNullableAnnotation.NotAnnotated, o3Symbol.NullableAnnotation); 3935Assert.Equal(PublicNullableAnnotation.NotAnnotated, o3Symbol.Type.NullableAnnotation); 3936Assert.Equal(PublicNullableAnnotation.Annotated, o4Symbol.NullableAnnotation); 3937Assert.Equal(PublicNullableAnnotation.Annotated, o4Symbol.Type.NullableAnnotation); 3981Assert.Equal(PublicNullableAnnotation.NotAnnotated, innerLambdaSymbol1.Parameters[0].NullableAnnotation); 3982Assert.Equal(PublicNullableAnnotation.NotAnnotated, innerLambdaSymbol1.Parameters[0].Type.NullableAnnotation); 3983Assert.Equal(PublicNullableAnnotation.NotAnnotated, innerLambdaSymbol1.Parameters[1].NullableAnnotation); 3984Assert.Equal(PublicNullableAnnotation.NotAnnotated, innerLambdaSymbol1.Parameters[1].Type.NullableAnnotation); 3985Assert.Equal(PublicNullableAnnotation.NotAnnotated, innerLambdaSymbol1.Parameters[2].NullableAnnotation); 3986Assert.Equal(PublicNullableAnnotation.NotAnnotated, innerLambdaSymbol1.Parameters[2].Type.NullableAnnotation); 3991Assert.Equal(PublicNullableAnnotation.NotAnnotated, innerLambdaSymbol2.Parameters[0].NullableAnnotation); 3992Assert.Equal(PublicNullableAnnotation.NotAnnotated, innerLambdaSymbol2.Parameters[0].Type.NullableAnnotation); 3993Assert.Equal(PublicNullableAnnotation.NotAnnotated, innerLambdaSymbol2.Parameters[1].NullableAnnotation); 3994Assert.Equal(PublicNullableAnnotation.NotAnnotated, innerLambdaSymbol2.Parameters[1].Type.NullableAnnotation); 3995Assert.Equal(PublicNullableAnnotation.NotAnnotated, innerLambdaSymbol2.Parameters[2].NullableAnnotation); 3996Assert.Equal(PublicNullableAnnotation.NotAnnotated, innerLambdaSymbol2.Parameters[2].Type.NullableAnnotation); 4333verify(exprs[0], PublicNullableAnnotation.Annotated, PublicNullableFlowState.MaybeNull); 4334verify(exprs[1], PublicNullableAnnotation.Annotated, PublicNullableFlowState.MaybeNull); 4336void verify(DefaultExpressionSyntax expr, PublicNullableAnnotation expectedAnnotation, PublicNullableFlowState expectedState) 4369Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4397Assert.Equal(PublicNullableAnnotation.None, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4427Assert.Equal(PublicNullableAnnotation.None, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4457Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4487Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4519Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4552Assert.Equal(PublicNullableAnnotation.None, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4580Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4610Assert.Equal(PublicNullableAnnotation.None, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4641Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4674Assert.Equal(PublicNullableAnnotation.None, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4700Assert.Equal(PublicNullableAnnotation.NotAnnotated, symbol2.Parameters.Single().Type.NullableAnnotation); 4781PublicNullableAnnotation.Annotated, 4782PublicNullableAnnotation.NotAnnotated, 4783PublicNullableAnnotation.NotAnnotated, 4784PublicNullableAnnotation.Annotated, 4818Assert.Equal(PublicNullableAnnotation.NotAnnotated, info.Type.NullableAnnotation); 4823Assert.Equal(PublicNullableAnnotation.NotAnnotated, info.Type.NullableAnnotation); 4848Assert.Equal(PublicNullableAnnotation.NotAnnotated, info.Nullability.Annotation); 4913Assert.Equal(PublicNullableAnnotation.NotAnnotated, typeInfo.Type.NullableAnnotation); 5187test(SemanticModelOptions.None, expectedAnnotation: PublicNullableAnnotation.Annotated); 5188test(SemanticModelOptions.DisableNullableAnalysis, expectedAnnotation: PublicNullableAnnotation.None); 5190void test(SemanticModelOptions options, PublicNullableAnnotation expectedAnnotation) 5233Assert.Equal(PublicNullableAnnotation.None, typeInfo.Type.NullableAnnotation); 5256Assert.Equal(PublicNullableAnnotation.NotAnnotated, type.NullableAnnotation); 5257Assert.Equal(PublicNullableAnnotation.NotAnnotated, type.ElementNullableAnnotation); 5279Assert.Equal(PublicNullableAnnotation.NotAnnotated, type.NullableAnnotation); 5280Assert.Equal(PublicNullableAnnotation.NotAnnotated, type.ElementNullableAnnotation); 5311Assert.Equal(PublicNullableAnnotation.NotAnnotated, type.NullableAnnotation); 5312Assert.Equal(PublicNullableAnnotation.NotAnnotated, type.ElementNullableAnnotation); 5334Assert.Equal(PublicNullableAnnotation.NotAnnotated, type.NullableAnnotation); 5335Assert.Equal(PublicNullableAnnotation.NotAnnotated, type.ElementNullableAnnotation); 5356Assert.Equal(PublicNullableAnnotation.NotAnnotated, type.NullableAnnotation); 5357Assert.Equal(PublicNullableAnnotation.NotAnnotated, type.ElementNullableAnnotation); 5404Assert.Equal(PublicNullableAnnotation.NotAnnotated, type.NullableAnnotation); 5405Assert.Equal(PublicNullableAnnotation.NotAnnotated, type.ElementNullableAnnotation); 5461Assert.Equal(PublicNullableAnnotation.NotAnnotated, type.NullableAnnotation); 5465Assert.Equal(PublicNullableAnnotation.None, type.ElementNullableAnnotation);

252VerifyEquality(type1.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None), type2.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None), 260VerifyEquality(type1, type2.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None), 264VerifyEquality(type1.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None), type2, 488VerifyEquality(type1.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None), type2.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None), 496VerifyEquality(type1, type2.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None), 500VerifyEquality(type1.WithNullableAnnotation(CodeAnalysis.NullableAnnotation.None), type2,

790ImmutableArray<Microsoft.CodeAnalysis.NullableAnnotation> elementNullableAnnotations = default) 872public static IEnumerable<Microsoft.CodeAnalysis.NullableAnnotation> TypeArgumentNullableAnnotations(this INamedTypeSymbol type) 877public static IEnumerable<Microsoft.CodeAnalysis.NullableAnnotation> TypeArgumentNullableAnnotations(this IMethodSymbol method)

252.Where(tp => tp.NullableAnnotation == NullableAnnotation.Annotated)

58NullableAnnotation.None => NullableSyntaxAnnotationEx.Oblivious, 59NullableAnnotation.Annotated => NullableSyntaxAnnotationEx.AnnotatedOrNotAnnotated, 60NullableAnnotation.NotAnnotated => NullableSyntaxAnnotationEx.AnnotatedOrNotAnnotated,

72if (underlyingType.NullableAnnotation == NullableAnnotation.Annotated) 106if (symbol.NullableAnnotation == NullableAnnotation.Annotated) 117return symbol.NullableAnnotation is NullableAnnotation.Annotated 302if (symbol is { IsValueType: false, NullableAnnotation: NullableAnnotation.Annotated }) 357if (symbol is { IsValueType: false, NullableAnnotation: NullableAnnotation.Annotated })

1129return CreateResult(SpecialType.System_Object, NullableAnnotation.Annotated); 1154return symbol.WithNullableAnnotation(NullableAnnotation.Annotated); 1592private static ImmutableArray<NullableAnnotation> GetNullableAnnotations(ImmutableArray<ITypeSymbol> elementTypes)

1457Assert.Equal(NullableAnnotation.Annotated, a1.NullableAnnotation); 1458Assert.Equal(NullableAnnotation.NotAnnotated, a2.NullableAnnotation); 1523Assert.Equal(NullableAnnotation.None, a1.NullableAnnotation); 1524Assert.Equal(NullableAnnotation.NotAnnotated, a2.NullableAnnotation); 1588Assert.Equal(NullableAnnotation.None, a1.NullableAnnotation); 1589Assert.Equal(NullableAnnotation.Annotated, a2.NullableAnnotation); 1653Assert.Equal(NullableAnnotation.None, a1.NullableAnnotation); 1654Assert.Equal(NullableAnnotation.Annotated, a2.NullableAnnotation);

38var isNonNullableReferenceType = type.IsReferenceType && type.NullableAnnotation != NullableAnnotation.Annotated;

106(NullableAnnotation.None, NullableAnnotation.NotAnnotated) => true, 107(NullableAnnotation.NotAnnotated, NullableAnnotation.None) => true,

48overriddenMember = CodeGenerationSymbolFactory.CreateMethodSymbol(methodSymbol, returnType: methodSymbol.ReturnType.WithNullableAnnotation(NullableAnnotation.NotAnnotated));

539if (type.NullableAnnotation is not NullableAnnotation.Annotated) 550return type.WithNullableAnnotation(NullableAnnotation.NotAnnotated);

111? equatableType.Construct(_containingType.WithNullableAnnotation(NullableAnnotation.Annotated)) 134CodeGenerationSymbolFactory.CreateParameterSymbol(_containingType.IsValueType ? _containingType : _containingType.WithNullableAnnotation(NullableAnnotation.Annotated), LeftName), 135CodeGenerationSymbolFactory.CreateParameterSymbol(_containingType.IsValueType ? _containingType : _containingType.WithNullableAnnotation(NullableAnnotation.Annotated), RightName));

258BaseTypeOrInterfaceOpt = (INamedTypeSymbol)baseType.WithNullableAnnotation(NullableAnnotation.None);

344if (parameter.Type.NullableAnnotation == NullableAnnotation.Annotated)

561if (symbol.NullableAnnotation == NullableAnnotation.Annotated)

34public NullableAnnotation NullableAnnotation => _symbol.NullableAnnotation;

48public NullableAnnotation NullableAnnotation => _symbol.NullableAnnotation;

72public NullableAnnotation ReceiverNullableAnnotation => _symbol.ReceiverNullableAnnotation; 94public NullableAnnotation ReturnNullableAnnotation => _symbol.ReturnNullableAnnotation; 105public ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => _symbol.TypeArgumentNullableAnnotations; 112public IMethodSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<NullableAnnotation> typeArgumentNullableAnnotations)

79public ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => _symbol.TypeArgumentNullableAnnotations; 93public INamedTypeSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<NullableAnnotation> typeArgumentNullableAnnotations) 154NullableAnnotation ITypeSymbol.NullableAnnotation => throw new NotImplementedException(); 156ITypeSymbol ITypeSymbol.WithNullableAnnotation(NullableAnnotation nullableAnnotation)

54public NullableAnnotation NullableAnnotation => _symbol.NullableAnnotation;

38var isNonNullableReferenceType = type.IsReferenceType && type.NullableAnnotation != NullableAnnotation.Annotated;

106(NullableAnnotation.None, NullableAnnotation.NotAnnotated) => true, 107(NullableAnnotation.NotAnnotated, NullableAnnotation.None) => true,

332NullableAnnotation nullableAnnotation = NullableAnnotation.None, 353public static IArrayTypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank = 1, NullableAnnotation nullableAnnotation = NullableAnnotation.None) 424NullableAnnotation nullableAnnotation = NullableAnnotation.None, 443NullableAnnotation nullableAnnotation = NullableAnnotation.None, 468NullableAnnotation nullableAnnotation = NullableAnnotation.None)

57public NullableAnnotation ReceiverNullableAnnotation => ReceiverType.NullableAnnotation; 58public NullableAnnotation ReturnNullableAnnotation => ReturnType.NullableAnnotation; 59public ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => TypeArguments.SelectAsArray(a => a.NullableAnnotation); 113public IMethodSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<CodeAnalysis.NullableAnnotation> typeArgumentNullableAnnotations)

30NullableAnnotation nullableAnnotation, 64public INamedTypeSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<NullableAnnotation> typeArgumentNullableAnnotations) 85public abstract ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations { get; }

10internal sealed class CodeGenerationArrayTypeSymbol(ITypeSymbol elementType, int rank, NullableAnnotation nullableAnnotation) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, nullableAnnotation), IArrayTypeSymbol 40protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 65public NullableAnnotation ElementNullableAnnotation => ElementType.NullableAnnotation;

33public override ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => _typeArguments.SelectAsArray(t => t.NullableAnnotation); 95protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation)

24public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

23public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

35NullableAnnotation nullableAnnotation, 52protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 130public override ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations 135return this.TypeParameters.SelectAsArray(t => NullableAnnotation.NotAnnotated);

28public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

9internal sealed class CodeGenerationPointerTypeSymbol(ITypeSymbol pointedAtType) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, NullableAnnotation.None), IPointerTypeSymbol 13protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation)

27public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

16NullableAnnotation nullableAnnotation, 36protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 88public NullableAnnotation ReferenceTypeConstraintNullableAnnotation => throw new System.NotImplementedException(); 90public ImmutableArray<NullableAnnotation> ConstraintNullableAnnotations => ConstraintTypes.SelectAsArray(t => t.NullableAnnotation);

20NullableAnnotation nullableAnnotation) 83public NullableAnnotation NullableAnnotation { get; } = nullableAnnotation; 85public ITypeSymbol WithNullableAnnotation(NullableAnnotation nullableAnnotation) 91protected abstract CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation);

55parameters: [CodeGenerationSymbolFactory.CreateParameterSymbol(compilation.GetSpecialType(SpecialType.System_Object).WithNullableAnnotation(NullableAnnotation.Annotated), ObjName)],

78protected IEnumerable<TypeInferenceInfo> CreateResult(SpecialType type, NullableAnnotation nullableAnnotation = NullableAnnotation.None)

103if (foreachInfo.ElementType != null && foreachInfo.ElementType.NullableAnnotation != NullableAnnotation.NotAnnotated)

975symbol.NullableAnnotation == NullableAnnotation.None) 999if (symbol.NullableAnnotation == NullableAnnotation.None) 1016symbol.NullableAnnotation == NullableAnnotation.None) 1043symbol.ReferenceTypeConstraintNullableAnnotation == NullableAnnotation.None)

11public static NullableAnnotation NullableAnnotation(this ITypeSymbol typeSymbol)

38var isNonNullableReferenceType = type.IsReferenceType && type.NullableAnnotation != NullableAnnotation.Annotated;

106(NullableAnnotation.None, NullableAnnotation.NotAnnotated) => true, 107(NullableAnnotation.NotAnnotated, NullableAnnotation.None) => true,

38var isNonNullableReferenceType = type.IsReferenceType && type.NullableAnnotation != NullableAnnotation.Annotated;

106(NullableAnnotation.None, NullableAnnotation.NotAnnotated) => true, 107(NullableAnnotation.NotAnnotated, NullableAnnotation.None) => true,

19assertEqualsAndHashCode(new NullabilityInfo(NullableAnnotation.Annotated, NullableFlowState.NotNull), 20new NullabilityInfo(NullableAnnotation.Annotated, NullableFlowState.NotNull), 23assertEqualsAndHashCode(new NullabilityInfo(NullableAnnotation.Annotated, NullableFlowState.NotNull), 24new NullabilityInfo(NullableAnnotation.NotAnnotated, NullableFlowState.NotNull), 27assertEqualsAndHashCode(new NullabilityInfo(NullableAnnotation.Annotated, NullableFlowState.MaybeNull), 28new NullabilityInfo(NullableAnnotation.Annotated, NullableFlowState.NotNull),

2864Protected Overrides Function CommonCreateArrayTypeSymbol(elementType As ITypeSymbol, rank As Integer, elementNullableAnnotation As NullableAnnotation) As IArrayTypeSymbol 2871elementNullableAnnotations As ImmutableArray(Of NullableAnnotation)) As INamedTypeSymbol 2889elementNullableAnnotations As ImmutableArray(Of NullableAnnotation)) As INamedTypeSymbol

412Private ReadOnly Property IArrayTypeSymbol_ElementNullableAnnotation As NullableAnnotation Implements IArrayTypeSymbol.ElementNullableAnnotation 414Return NullableAnnotation.None

284Private ReadOnly Property IEventSymbol_NullableAnnotation As NullableAnnotation Implements IEventSymbol.NullableAnnotation 286Return NullableAnnotation.None

476Private ReadOnly Property IFieldSymbol_NullableAnnotation As NullableAnnotation Implements IFieldSymbol.NullableAnnotation 478Return NullableAnnotation.None

977Private ReadOnly Property IMethodSymbol_ReceiverNullableAnnotation As NullableAnnotation Implements IMethodSymbol.ReceiverNullableAnnotation 979Return NullableAnnotation.None 1092Private ReadOnly Property IMethodSymbol_ReturnNullableAnnotation As NullableAnnotation Implements IMethodSymbol.ReturnNullableAnnotation 1094Return NullableAnnotation.None 1116Private ReadOnly Property IMethodSymbol_TypeArgumentsNullableAnnotation As ImmutableArray(Of NullableAnnotation) Implements IMethodSymbol.TypeArgumentNullableAnnotations 1118Return Me.TypeArguments.SelectAsArray(Function(t) NullableAnnotation.None)

1383Private ReadOnly Property TypeArgumentNullableAnnotations As ImmutableArray(Of NullableAnnotation) Implements INamedTypeSymbol.TypeArgumentNullableAnnotations 1385Return Me.TypeArgumentsNoUseSiteDiagnostics.SelectAsArray(Function(t) NullableAnnotation.None)

330Private ReadOnly Property IParameterSymbol_NullableAnnotation As NullableAnnotation Implements IParameterSymbol.NullableAnnotation 332Return NullableAnnotation.None

621Private ReadOnly Property IPropertySymbol_NullableAnnotation As NullableAnnotation Implements IPropertySymbol.NullableAnnotation 623Return NullableAnnotation.None

401Private ReadOnly Property ILocalSymbol_NullableAnnotation As NullableAnnotation Implements ILocalSymbol.NullableAnnotation 403Return NullableAnnotation.None

369Private ReadOnly Property ITypeParameterSymbol_ReferenceTypeConstraintNullableAnnotation As NullableAnnotation Implements ITypeParameterSymbol.ReferenceTypeConstraintNullableAnnotation 371Return NullableAnnotation.None 399Private ReadOnly Property ITypeParameterSymbol_ConstraintNullableAnnotations As ImmutableArray(Of NullableAnnotation) Implements ITypeParameterSymbol.ConstraintNullableAnnotations 401Return Me.ConstraintTypesNoUseSiteDiagnostics.SelectAsArray(Function(t) NullableAnnotation.None)

772Private ReadOnly Property ITypeSymbol_NullableAnnotation As NullableAnnotation Implements ITypeSymbol.NullableAnnotation 774Return NullableAnnotation.None 778Private Function ITypeSymbol_WithNullability(nullableAnnotation As NullableAnnotation) As ITypeSymbol Implements ITypeSymbol.WithNullableAnnotation

7614Dim ex = Assert.Throws(Of ArgumentException)(Function() comp.CreateTupleTypeSymbol(underlyingType, elementNullableAnnotations:=ImmutableArray(Of NullableAnnotation).Empty)) 7675Dim ex = Assert.Throws(Of ArgumentException)(Function() comp.CreateTupleTypeSymbol(elementTypes, elementNullableAnnotations:=ImmutableArray(Of NullableAnnotation).Empty))

248return Equals(current, typeParameter) && current.NullableAnnotation == NullableAnnotation.Annotated;

38var isNonNullableReferenceType = type.IsReferenceType && type.NullableAnnotation != NullableAnnotation.Annotated;

106(NullableAnnotation.None, NullableAnnotation.NotAnnotated) => true, 107(NullableAnnotation.NotAnnotated, NullableAnnotation.None) => true,

332NullableAnnotation nullableAnnotation = NullableAnnotation.None, 353public static IArrayTypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank = 1, NullableAnnotation nullableAnnotation = NullableAnnotation.None) 424NullableAnnotation nullableAnnotation = NullableAnnotation.None, 443NullableAnnotation nullableAnnotation = NullableAnnotation.None, 468NullableAnnotation nullableAnnotation = NullableAnnotation.None)

57public NullableAnnotation ReceiverNullableAnnotation => ReceiverType.NullableAnnotation; 58public NullableAnnotation ReturnNullableAnnotation => ReturnType.NullableAnnotation; 59public ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => TypeArguments.SelectAsArray(a => a.NullableAnnotation); 113public IMethodSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<CodeAnalysis.NullableAnnotation> typeArgumentNullableAnnotations)

30NullableAnnotation nullableAnnotation, 64public INamedTypeSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<NullableAnnotation> typeArgumentNullableAnnotations) 85public abstract ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations { get; }

10internal sealed class CodeGenerationArrayTypeSymbol(ITypeSymbol elementType, int rank, NullableAnnotation nullableAnnotation) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, nullableAnnotation), IArrayTypeSymbol 40protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 65public NullableAnnotation ElementNullableAnnotation => ElementType.NullableAnnotation;

33public override ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => _typeArguments.SelectAsArray(t => t.NullableAnnotation); 95protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation)

24public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

23public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

35NullableAnnotation nullableAnnotation, 52protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 130public override ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations 135return this.TypeParameters.SelectAsArray(t => NullableAnnotation.NotAnnotated);

28public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

9internal sealed class CodeGenerationPointerTypeSymbol(ITypeSymbol pointedAtType) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, NullableAnnotation.None), IPointerTypeSymbol 13protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation)

27public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

16NullableAnnotation nullableAnnotation, 36protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 88public NullableAnnotation ReferenceTypeConstraintNullableAnnotation => throw new System.NotImplementedException(); 90public ImmutableArray<NullableAnnotation> ConstraintNullableAnnotations => ConstraintTypes.SelectAsArray(t => t.NullableAnnotation);

20NullableAnnotation nullableAnnotation) 83public NullableAnnotation NullableAnnotation { get; } = nullableAnnotation; 85public ITypeSymbol WithNullableAnnotation(NullableAnnotation nullableAnnotation) 91protected abstract CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation);

55parameters: [CodeGenerationSymbolFactory.CreateParameterSymbol(compilation.GetSpecialType(SpecialType.System_Object).WithNullableAnnotation(NullableAnnotation.Annotated), ObjName)],

78protected IEnumerable<TypeInferenceInfo> CreateResult(SpecialType type, NullableAnnotation nullableAnnotation = NullableAnnotation.None)

103if (foreachInfo.ElementType != null && foreachInfo.ElementType.NullableAnnotation != NullableAnnotation.NotAnnotated)

95return tryValidateValueMethod.Parameters[0].NullableAnnotation == NullableAnnotation.NotAnnotated ? "!" : string.Empty;

90_ = _visitedModelTypes.Add(modelType.WithNullableAnnotation(NullableAnnotation.None)); 392else if (!_visitedModelTypes.Add(memberType.WithNullableAnnotation(NullableAnnotation.None))) 406_ = _visitedModelTypes.Remove(memberType.WithNullableAnnotation(NullableAnnotation.None)); 418enumeratedIsNullable = enumeratedType.IsReferenceType || enumeratedType.NullableAnnotation == NullableAnnotation.Annotated; 420enumeratedMayBeNull = enumeratedType.NullableAnnotation == NullableAnnotation.Annotated; 455else if (!_visitedModelTypes.Add(enumeratedType.WithNullableAnnotation(NullableAnnotation.None))) 469_ = _visitedModelTypes.Remove(enumeratedType.WithNullableAnnotation(NullableAnnotation.None)); 588memberType.IsReferenceType || memberType.NullableAnnotation == NullableAnnotation.Annotated, 686var mt = modelType.WithNullableAnnotation(NullableAnnotation.None);

47if (type.NullableAnnotation == NullableAnnotation.Annotated) 51type = type.WithNullableAnnotation(NullableAnnotation.NotAnnotated);

167NullableAnnotation: NullableAnnotation.Annotated 173NullableAnnotation: NullableAnnotation.Annotated

584IsNullable = paramTypeSymbol.NullableAnnotation == NullableAnnotation.Annotated, 677isNullable = typeSymbol.NullableAnnotation == NullableAnnotation.Annotated; 731isNullable = parameter.Type.NullableAnnotation == NullableAnnotation.Annotated;

203IsNullable = property.Type.NullableAnnotation == NullableAnnotation.Annotated,

153if (type.NullableAnnotation == NullableAnnotation.Annotated) 155if (target.NullableAnnotation == NullableAnnotation.NotAnnotated) 163if (SymbolEqualityComparer.Default.Equals(type.WithNullableAnnotation(NullableAnnotation.None), target.WithNullableAnnotation(NullableAnnotation.None))) 170if (SymbolEqualityComparer.Default.Equals(target.WithNullableAnnotation(NullableAnnotation.None), iface.WithNullableAnnotation(NullableAnnotation.None)))

276var annotations = new NullableAnnotation[numArgumentsToInsert]; 305public static (ImmutableArray<ITypeSymbol> TypeArguments, ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations) GetAllTypeArgumentsIncludingInContainingTypes(this INamedTypeSymbol genericType) 309Stack<(ImmutableArray<ITypeSymbol>, ImmutableArray<NullableAnnotation>)> genericTypesToSubstitute = new(); 317ImmutableArray<NullableAnnotation>.Builder nullableAnnotations = ImmutableArray.CreateBuilder<NullableAnnotation>();

33 typeInfo.IsReferenceType && typeInfo.NullableAnnotation == NullableAnnotation.Annotated;

117return type.NullableAnnotation != NullableAnnotation.NotAnnotated;

38var isNonNullableReferenceType = type.IsReferenceType && type.NullableAnnotation != NullableAnnotation.Annotated;

106(NullableAnnotation.None, NullableAnnotation.NotAnnotated) => true, 107(NullableAnnotation.NotAnnotated, NullableAnnotation.None) => true,

332NullableAnnotation nullableAnnotation = NullableAnnotation.None, 353public static IArrayTypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank = 1, NullableAnnotation nullableAnnotation = NullableAnnotation.None) 424NullableAnnotation nullableAnnotation = NullableAnnotation.None, 443NullableAnnotation nullableAnnotation = NullableAnnotation.None, 468NullableAnnotation nullableAnnotation = NullableAnnotation.None)

57public NullableAnnotation ReceiverNullableAnnotation => ReceiverType.NullableAnnotation; 58public NullableAnnotation ReturnNullableAnnotation => ReturnType.NullableAnnotation; 59public ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => TypeArguments.SelectAsArray(a => a.NullableAnnotation); 113public IMethodSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<CodeAnalysis.NullableAnnotation> typeArgumentNullableAnnotations)

30NullableAnnotation nullableAnnotation, 64public INamedTypeSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<NullableAnnotation> typeArgumentNullableAnnotations) 85public abstract ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations { get; }

10internal sealed class CodeGenerationArrayTypeSymbol(ITypeSymbol elementType, int rank, NullableAnnotation nullableAnnotation) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, nullableAnnotation), IArrayTypeSymbol 40protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 65public NullableAnnotation ElementNullableAnnotation => ElementType.NullableAnnotation;

33public override ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => _typeArguments.SelectAsArray(t => t.NullableAnnotation); 95protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation)

24public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

23public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

35NullableAnnotation nullableAnnotation, 52protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 130public override ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations 135return this.TypeParameters.SelectAsArray(t => NullableAnnotation.NotAnnotated);

28public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

9internal sealed class CodeGenerationPointerTypeSymbol(ITypeSymbol pointedAtType) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, NullableAnnotation.None), IPointerTypeSymbol 13protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation)

27public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

16NullableAnnotation nullableAnnotation, 36protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 88public NullableAnnotation ReferenceTypeConstraintNullableAnnotation => throw new System.NotImplementedException(); 90public ImmutableArray<NullableAnnotation> ConstraintNullableAnnotations => ConstraintTypes.SelectAsArray(t => t.NullableAnnotation);

20NullableAnnotation nullableAnnotation) 83public NullableAnnotation NullableAnnotation { get; } = nullableAnnotation; 85public ITypeSymbol WithNullableAnnotation(NullableAnnotation nullableAnnotation) 91protected abstract CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation);

55parameters: [CodeGenerationSymbolFactory.CreateParameterSymbol(compilation.GetSpecialType(SpecialType.System_Object).WithNullableAnnotation(NullableAnnotation.Annotated), ObjName)],

78protected IEnumerable<TypeInferenceInfo> CreateResult(SpecialType type, NullableAnnotation nullableAnnotation = NullableAnnotation.None)

103if (foreachInfo.ElementType != null && foreachInfo.ElementType.NullableAnnotation != NullableAnnotation.NotAnnotated)

85if (symbol?.GetMemberOrLocalOrParameterType()?.NullableAnnotation != NullableAnnotation.Annotated)

252.Where(tp => tp.NullableAnnotation == NullableAnnotation.Annotated)

58NullableAnnotation.None => NullableSyntaxAnnotationEx.Oblivious, 59NullableAnnotation.Annotated => NullableSyntaxAnnotationEx.AnnotatedOrNotAnnotated, 60NullableAnnotation.NotAnnotated => NullableSyntaxAnnotationEx.AnnotatedOrNotAnnotated,

72if (underlyingType.NullableAnnotation == NullableAnnotation.Annotated) 106if (symbol.NullableAnnotation == NullableAnnotation.Annotated) 117return symbol.NullableAnnotation is NullableAnnotation.Annotated 302if (symbol is { IsValueType: false, NullableAnnotation: NullableAnnotation.Annotated }) 357if (symbol is { IsValueType: false, NullableAnnotation: NullableAnnotation.Annotated })

1129return CreateResult(SpecialType.System_Object, NullableAnnotation.Annotated); 1154return symbol.WithNullableAnnotation(NullableAnnotation.Annotated); 1592private static ImmutableArray<NullableAnnotation> GetNullableAnnotations(ImmutableArray<ITypeSymbol> elementTypes)

48if (type.NullableAnnotation is NullableAnnotation.Annotated) 50type = type.WithNullableAnnotation(NullableAnnotation.None); 352return returnType.NullableAnnotation is NullableAnnotation.NotAnnotated; 374return inputType.NullableAnnotation is NullableAnnotation.NotAnnotated;

124nullableRegex = regexMethodSymbol.ReturnNullableAnnotation == NullableAnnotation.Annotated; 138nullableRegex = regexPropertySymbol.NullableAnnotation == NullableAnnotation.Annotated;

38var isNonNullableReferenceType = type.IsReferenceType && type.NullableAnnotation != NullableAnnotation.Annotated;

106(NullableAnnotation.None, NullableAnnotation.NotAnnotated) => true, 107(NullableAnnotation.NotAnnotated, NullableAnnotation.None) => true,

38var isNonNullableReferenceType = type.IsReferenceType && type.NullableAnnotation != NullableAnnotation.Annotated;

106(NullableAnnotation.None, NullableAnnotation.NotAnnotated) => true, 107(NullableAnnotation.NotAnnotated, NullableAnnotation.None) => true,

332NullableAnnotation nullableAnnotation = NullableAnnotation.None, 353public static IArrayTypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank = 1, NullableAnnotation nullableAnnotation = NullableAnnotation.None) 424NullableAnnotation nullableAnnotation = NullableAnnotation.None, 443NullableAnnotation nullableAnnotation = NullableAnnotation.None, 468NullableAnnotation nullableAnnotation = NullableAnnotation.None)

57public NullableAnnotation ReceiverNullableAnnotation => ReceiverType.NullableAnnotation; 58public NullableAnnotation ReturnNullableAnnotation => ReturnType.NullableAnnotation; 59public ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => TypeArguments.SelectAsArray(a => a.NullableAnnotation); 113public IMethodSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<CodeAnalysis.NullableAnnotation> typeArgumentNullableAnnotations)

30NullableAnnotation nullableAnnotation, 64public INamedTypeSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<NullableAnnotation> typeArgumentNullableAnnotations) 85public abstract ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations { get; }

10internal sealed class CodeGenerationArrayTypeSymbol(ITypeSymbol elementType, int rank, NullableAnnotation nullableAnnotation) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, nullableAnnotation), IArrayTypeSymbol 40protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 65public NullableAnnotation ElementNullableAnnotation => ElementType.NullableAnnotation;

33public override ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations => _typeArguments.SelectAsArray(t => t.NullableAnnotation); 95protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation)

24public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

23public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

35NullableAnnotation nullableAnnotation, 52protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 130public override ImmutableArray<NullableAnnotation> TypeArgumentNullableAnnotations 135return this.TypeParameters.SelectAsArray(t => NullableAnnotation.NotAnnotated);

28public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

9internal sealed class CodeGenerationPointerTypeSymbol(ITypeSymbol pointedAtType) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, NullableAnnotation.None), IPointerTypeSymbol 13protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation)

27public NullableAnnotation NullableAnnotation => Type.NullableAnnotation;

16NullableAnnotation nullableAnnotation, 36protected override CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation) 88public NullableAnnotation ReferenceTypeConstraintNullableAnnotation => throw new System.NotImplementedException(); 90public ImmutableArray<NullableAnnotation> ConstraintNullableAnnotations => ConstraintTypes.SelectAsArray(t => t.NullableAnnotation);

20NullableAnnotation nullableAnnotation) 83public NullableAnnotation NullableAnnotation { get; } = nullableAnnotation; 85public ITypeSymbol WithNullableAnnotation(NullableAnnotation nullableAnnotation) 91protected abstract CodeGenerationTypeSymbol CloneWithNullableAnnotation(NullableAnnotation nullableAnnotation);

55parameters: [CodeGenerationSymbolFactory.CreateParameterSymbol(compilation.GetSpecialType(SpecialType.System_Object).WithNullableAnnotation(NullableAnnotation.Annotated), ObjName)],

78protected IEnumerable<TypeInferenceInfo> CreateResult(SpecialType type, NullableAnnotation nullableAnnotation = NullableAnnotation.None)

103if (foreachInfo.ElementType != null && foreachInfo.ElementType.NullableAnnotation != NullableAnnotation.NotAnnotated)