230 references to VarianceKind
GenerateDocumentationAndConfigFiles (4)
src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\CodeGenerationSymbolFactory.cs (2)
318attributes: default, varianceKind: VarianceKind.None, 330VarianceKind varianceKind, string name,
src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\Symbols\CodeGenerationTypeParameterSymbol.cs (2)
14VarianceKind varianceKind, 26public VarianceKind Variance { get; } = varianceKind;
Microsoft.CodeAnalysis (1)
Symbols\ITypeParameterSymbol.cs (1)
28VarianceKind Variance { get; }
Microsoft.CodeAnalysis.Analyzers (4)
src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\CodeGenerationSymbolFactory.cs (2)
318attributes: default, varianceKind: VarianceKind.None, 330VarianceKind varianceKind, string name,
src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\Symbols\CodeGenerationTypeParameterSymbol.cs (2)
14VarianceKind varianceKind, 26public VarianceKind Variance { get; } = varianceKind;
Microsoft.CodeAnalysis.CodeStyle.Fixes (4)
src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\CodeGenerationSymbolFactory.cs (2)
318attributes: default, varianceKind: VarianceKind.None, 330VarianceKind varianceKind, string name,
src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\Symbols\CodeGenerationTypeParameterSymbol.cs (2)
14VarianceKind varianceKind, 26public VarianceKind Variance { get; } = varianceKind;
Microsoft.CodeAnalysis.CSharp (111)
Binder\Binder_Patterns.cs (1)
2566return bestSoFar.MergeEquivalentTypes(possiblyLessSpecificCandidate, VarianceKind.Out);
Binder\ForEachLoopBinder.cs (1)
1868interfaces = MethodTypeInferrer.ModuloReferenceTypeNullabilityDifferences(interfaces, VarianceKind.In);
Binder\Semantics\BestTypeInferrer.cs (1)
297return type1.MergeEquivalentTypes(type2, VarianceKind.Out);
Binder\Semantics\Conversions\ConversionsBase.cs (6)
3212case VarianceKind.None: 3228case VarianceKind.Out: 3235case VarianceKind.In: 3713case VarianceKind.None: 3720case VarianceKind.Out: 3727case VarianceKind.In:
Binder\Semantics\OverloadResolution\MethodTypeInference.cs (19)
2342allInterfaces = ModuloReferenceTypeNullabilityDifferences(allInterfaces, VarianceKind.In); 2353internal static ImmutableArray<NamedTypeSymbol> ModuloReferenceTypeNullabilityDifferences(ImmutableArray<NamedTypeSymbol> interfaces, VarianceKind variance) 2407if (sourceTypeArgument.Type.IsReferenceType && typeParameter.Variance == VarianceKind.Out) 2411else if (sourceTypeArgument.Type.IsReferenceType && typeParameter.Variance == VarianceKind.In) 2713allInterfaces = ModuloReferenceTypeNullabilityDifferences(allInterfaces, VarianceKind.Out); 2757if (sourceTypeArgument.Type.IsReferenceType && typeParameter.Variance == VarianceKind.Out) 2761else if (sourceTypeArgument.Type.IsReferenceType && typeParameter.Variance == VarianceKind.In) 2907AddAllCandidates(candidates, lower, lowerPredicate, VarianceKind.Out, conversions); 2912AddAllCandidates(candidates, upper, predicate: null, VarianceKind.In, conversions); 2918AddAllCandidates(candidates, exact, predicate: null, VarianceKind.None, conversions); 2939MergeOrRemoveCandidates(candidates, lower, lowerPredicate, initialCandidates, conversions, VarianceKind.Out, ref useSiteInfo); 2947MergeOrRemoveCandidates(candidates, upper, predicate: null, initialCandidates, conversions, VarianceKind.In, ref useSiteInfo); 3375VarianceKind variance, 3403VarianceKind variance) 3421VarianceKind variance, 3424Debug.Assert(variance == VarianceKind.In || variance == VarianceKind.Out); 3443if (variance == VarianceKind.Out) 3486VarianceKind variance)
CSharpExtensions.cs (4)
247public static VarianceKind VarianceKindFromToken(this SyntaxToken node) 251case SyntaxKind.OutKeyword: return VarianceKind.Out; 252case SyntaxKind.InKeyword: return VarianceKind.In; 253default: return VarianceKind.None;
Emitter\Model\TypeParameterSymbolAdapter.cs (3)
330case VarianceKind.None: 332case VarianceKind.In: 334case VarianceKind.Out:
FlowAnalysis\NullableWalker.cs (1)
6523refResultType = consequenceRValue.Type!.MergeEquivalentTypes(alternativeRValue.Type, VarianceKind.None);
SymbolDisplay\SymbolDisplayVisitor.Types.cs (2)
812case VarianceKind.In: 816case VarianceKind.Out:
Symbols\AnonymousTypes\SynthesizedSymbols\AnonymousType.TypeParameterSymbol.cs (2)
113public override VarianceKind Variance 115get { return VarianceKind.None; }
Symbols\ArrayTypeSymbol.cs (1)
412internal override TypeSymbol MergeEquivalentTypes(TypeSymbol other, VarianceKind variance)
Symbols\DynamicTypeSymbol.cs (1)
232internal override TypeSymbol MergeEquivalentTypes(TypeSymbol other, VarianceKind variance)
Symbols\ErrorTypeSymbol.ErrorTypeParameterSymbol.cs (2)
142public override VarianceKind Variance 146return VarianceKind.None;
Symbols\FunctionPointers\FunctionPointerMethodSymbol.cs (9)
348internal FunctionPointerMethodSymbol MergeEquivalentTypes(FunctionPointerMethodSymbol signature, VarianceKind variance) 351var returnVariance = RefKind == RefKind.None ? variance : VarianceKind.None; 364var paramVariance = (variance, thisParam.RefKind) switch 366(VarianceKind.In, RefKind.None) => VarianceKind.Out, 367(VarianceKind.Out, RefKind.None) => VarianceKind.In, 368_ => VarianceKind.None,
Symbols\FunctionPointers\FunctionPointerTypeSymbol.cs (1)
161internal override TypeSymbol MergeEquivalentTypes(TypeSymbol other, VarianceKind variance)
Symbols\FunctionTypeSymbol.cs (1)
160internal override TypeSymbol MergeEquivalentTypes(TypeSymbol other, VarianceKind variance)
Symbols\Metadata\PE\PETypeParameterSymbol.cs (2)
597public override VarianceKind Variance 601return (VarianceKind)(_flags & GenericParameterAttributes.VarianceMask);
Symbols\NamedTypeSymbol.cs (16)
1231internal override TypeSymbol MergeEquivalentTypes(TypeSymbol other, VarianceKind variance) 1270VarianceKind variance, 1295VarianceKind typeArgumentVariance = GetTypeArgumentVariance(variance, isTuple ? VarianceKind.Out : typeParameters[i].Variance); 1311variance = VarianceKind.None; 1317private static VarianceKind GetTypeArgumentVariance(VarianceKind typeVariance, VarianceKind typeParameterVariance) 1321case VarianceKind.In: 1324case VarianceKind.In: 1325return VarianceKind.Out; 1326case VarianceKind.Out: 1327return VarianceKind.In; 1329return VarianceKind.None; 1331case VarianceKind.Out: 1334return VarianceKind.None;
Symbols\NullableAnnotationExtensions.cs (4)
63public static NullableAnnotation MergeNullableAnnotation(this NullableAnnotation a, NullableAnnotation b, VarianceKind variance) 69VarianceKind.In => a.Meet(b), 70VarianceKind.Out => a.Join(b), 71VarianceKind.None => a.EnsureCompatible(b),
Symbols\PointerTypeSymbol.cs (2)
274internal override TypeSymbol MergeEquivalentTypes(TypeSymbol other, VarianceKind variance) 277TypeWithAnnotations pointedAtType = PointedAtTypeWithAnnotations.MergeEquivalentTypes(((PointerTypeSymbol)other).PointedAtTypeWithAnnotations, VarianceKind.None);
Symbols\PublicModel\TypeParameterSymbol.cs (1)
85VarianceKind ITypeParameterSymbol.Variance => _underlying.Variance;
Symbols\Source\CrefTypeParameterSymbol.cs (2)
120public override VarianceKind Variance 122get { return VarianceKind.None; }
Symbols\Source\IndexedTypeParameterSymbol.cs (2)
135public override VarianceKind Variance 137get { return VarianceKind.None; }
Symbols\Source\SourceNamedTypeSymbol.cs (1)
620mergedConstraintTypes[index1] = constraintType1.MergeEquivalentTypes(constraintType2, VarianceKind.None);
Symbols\Source\SourceTypeParameterSymbol.cs (5)
77public override VarianceKind Variance 81return VarianceKind.None; 453private readonly VarianceKind _varianceKind; 455public SourceTypeTypeParameterSymbol(SourceNamedTypeSymbol owner, string name, int ordinal, VarianceKind varianceKind, ImmutableArray<Location> locations, ImmutableArray<SyntaxReference> syntaxRefs) 475public override VarianceKind Variance
Symbols\Synthesized\ReadOnlyListType\SynthesizedReadOnlyListTypeParameterSymbol.cs (2)
43public override VarianceKind Variance => VarianceKind.None;
Symbols\Synthesized\SynthesizedInlineArrayTypeSymbol.cs (2)
248public override VarianceKind Variance => VarianceKind.None;
Symbols\SynthesizedSimpleMethodTypeParameterSymbol.cs (2)
86public override VarianceKind Variance 88get { return VarianceKind.None; }
Symbols\TypeParameterSymbol.cs (2)
644public abstract VarianceKind Variance { get; } 697internal override TypeSymbol MergeEquivalentTypes(TypeSymbol other, VarianceKind variance)
Symbols\TypeSymbol.cs (1)
653internal abstract TypeSymbol MergeEquivalentTypes(TypeSymbol other, VarianceKind variance);
Symbols\TypeWithAnnotations.cs (1)
241internal TypeWithAnnotations MergeEquivalentTypes(TypeWithAnnotations other, VarianceKind variance)
Symbols\VarianceSafety.cs (10)
94Debug.Assert(container.TypeParameters.Any(static tp => tp.Variance != VarianceKind.None)); 111if (container.TypeParameters.Any(static tp => tp.Variance != VarianceKind.None)) 309if (requireInputSafety && requireOutputSafety && typeParam.Variance != VarianceKind.None) 317else if (requireOutputSafety && typeParam.Variance == VarianceKind.In) 323else if (requireInputSafety && typeParam.Variance == VarianceKind.Out) 396case VarianceKind.Out: 401case VarianceKind.In: 406case VarianceKind.None: 454case VarianceKind.In: 457case VarianceKind.Out:
Symbols\Wrapped\WrappedTypeParameterSymbol.cs (1)
138public override VarianceKind Variance
Microsoft.CodeAnalysis.CSharp.CodeStyle.Fixes (2)
src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\CodeGeneration\TypeParameterGenerator.cs (2)
30symbol.Variance == VarianceKind.In ? InKeyword : 31symbol.Variance == VarianceKind.Out ? OutKeyword : default;
Microsoft.CodeAnalysis.CSharp.Workspaces (4)
CodeGeneration\CSharpSyntaxGenerator.cs (2)
1741VarianceKind.In => InKeyword, 1742VarianceKind.Out => OutKeyword,
src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\CodeGeneration\TypeParameterGenerator.cs (2)
30symbol.Variance == VarianceKind.In ? InKeyword : 31symbol.Variance == VarianceKind.Out ? OutKeyword : default;
Microsoft.CodeAnalysis.VisualBasic (84)
Binding\Binder_Conversions.vb (4)
840Case VarianceKind.Out 854Case VarianceKind.In 908ErrorFactory.ErrorInfo(If(oneVariantDifference.TypeParameter.Variance = VarianceKind.Out, 918ReportDiagnostic(diagnostics, location, If(oneVariantDifference.TypeParameter.Variance = VarianceKind.Out,
Binding\Binder_Utils.vb (4)
28Public Shared Function DecodeVariance(varianceKeywordOpt As SyntaxToken) As VarianceKind 31Return VarianceKind.None 33Return VarianceKind.In 35Return VarianceKind.Out
Emit\TypeParameterSymbolAdapter.vb (3)
253Case VarianceKind.None 255Case VarianceKind.In 257Case VarianceKind.Out
Semantics\Conversions.vb (2)
2789Case VarianceKind.Out 2800Case VarianceKind.In
Semantics\TypeInference\TypeArgumentInference.vb (3)
1486Case VarianceKind.In 1491Case VarianceKind.Out 1496Debug.Assert(VarianceKind.None = parameterTypeAsNamedType.TypeParameters(typeArgumentIndex).Variance)
SymbolDisplay\SymbolDisplayVisitor.Types.vb (2)
478Case VarianceKind.In 481Case VarianceKind.Out
Symbols\AnonymousTypes\SynthesizedSymbols\AnonymousTypeOrDelegateTypeParameterSymbol.vb (2)
108Public Overrides ReadOnly Property Variance As VarianceKind 110Return VarianceKind.None
Symbols\IndexedTypeParameterSymbol.vb (2)
107Public Overrides ReadOnly Property Variance As VarianceKind 109Return VarianceKind.None
Symbols\InstanceErrorTypeSymbol.vb (2)
266Public Overrides ReadOnly Property Variance As VarianceKind 268Return VarianceKind.None
Symbols\Metadata\PE\PETypeParameterSymbol.vb (2)
309Public Overrides ReadOnly Property Variance As VarianceKind 311Return CType((_flags And GenericParameterAttributes.VarianceMask), VarianceKind)
Symbols\NamedTypeSymbolExtensions.vb (2)
100Case VarianceKind.In, VarianceKind.Out
Symbols\ReducedExtensionMethodSymbol.vb (1)
794Public Overrides ReadOnly Property Variance As VarianceKind
Symbols\Retargeting\RetargetingTypeParameterSymbol.vb (1)
113Public Overrides ReadOnly Property Variance As VarianceKind
Symbols\Source\CrefTypeParameterSymbol.vb (2)
122Public Overrides ReadOnly Property Variance As VarianceKind 124Return VarianceKind.None
Symbols\Source\SourceMemberContainerTypeSymbol.vb (30)
474GenerateVarianceDiagnosticsForType(implemented, VarianceKind.Out, VarianceContext.Complex, infosBuffer) 576requiredVariance As VarianceKind, 613requiredVariance As VarianceKind, 672If (typeParam.Variance = VarianceKind.Out AndAlso requiredVariance <> VarianceKind.Out) OrElse 673(typeParam.Variance = VarianceKind.In AndAlso requiredVariance <> VarianceKind.In) Then 677Dim inappropriateOut As Boolean = (typeParam.Variance = VarianceKind.Out) 832If requiredVariance <> VarianceKind.Out Then 902Debug.Assert(namedType.TypeParameters(0).Variance = VarianceKind.None, "unexpected: a nullable type should have one generic parameter with no variance") 905VarianceKind.None, 920Dim argumentRequiredVariance As VarianceKind 923Case VarianceKind.In 925Case VarianceKind.In 926argumentRequiredVariance = VarianceKind.Out 927Case VarianceKind.Out 928argumentRequiredVariance = VarianceKind.In 930argumentRequiredVariance = VarianceKind.None 932Case VarianceKind.Out 935argumentRequiredVariance = VarianceKind.None 971GenerateVarianceDiagnosticsForType(method.ReturnType, VarianceKind.Out, VarianceContext.Return, infosBuffer) 1003Dim requiredVariance As VarianceKind 1007requiredVariance = VarianceKind.None 1010requiredVariance = VarianceKind.In 1045GenerateVarianceDiagnosticsForType(constraint, VarianceKind.In, VarianceContext.Constraint, infosBuffer) 1071Dim requiredVariance As VarianceKind 1075requiredVariance = VarianceKind.Out 1078requiredVariance = VarianceKind.In 1081requiredVariance = VarianceKind.None 1120GenerateVarianceDiagnosticsForType(type, VarianceKind.In, VarianceContext.Complex, infosBuffer)
Symbols\Source\SourceNamedTypeSymbol.vb (5)
760variance As VarianceKind, 766Public ReadOnly Variance As VarianceKind 794<Out()> ByRef variance As VarianceKind, 842Dim variance As VarianceKind = VarianceKind.None
Symbols\Source\SourceTypeParameterSymbol.vb (5)
236Private _lazyVariance As VarianceKind 253Public Overrides ReadOnly Property Variance As VarianceKind 289Dim variance As VarianceKind 332Public Overrides ReadOnly Property Variance As VarianceKind 334Return VarianceKind.None
Symbols\SubstitutedTypeParameterSymbol.vb (1)
165Public Overrides ReadOnly Property Variance As VarianceKind
Symbols\SynthesizedSymbols\SynthesizedClonedTypeParameterSymbol.vb (1)
133Public Overrides ReadOnly Property Variance As VarianceKind
Symbols\TypeParameterSymbol.vb (1)
330Public MustOverride ReadOnly Property Variance As VarianceKind Implements ITypeParameterSymbol.Variance
Symbols\Wrapped\WrappedTypeParameterSymbol.vb (1)
70Public Overrides ReadOnly Property Variance As VarianceKind
Syntax\SyntaxFacts.vb (4)
614Public Shared Function VarianceKindFromToken(token As SyntaxToken) As VarianceKind 617Return VarianceKind.Out 620Return VarianceKind.In 623Return VarianceKind.None
Utilities\VarianceAmbiguity.vb (4)
115variance As VarianceKind, 123Case VarianceKind.In 137Case VarianceKind.Out 148Case VarianceKind.None
Microsoft.CodeAnalysis.VisualBasic.CodeStyle.Fixes (2)
src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\VisualBasic\CodeGeneration\TypeParameterGenerator.vb (2)
18varianceKeyword:=If(symbol.Variance = VarianceKind.In, SyntaxFactory.Token(SyntaxKind.InKeyword), If(symbol.Variance = VarianceKind.Out, SyntaxFactory.Token(SyntaxKind.OutKeyword), Nothing)),
Microsoft.CodeAnalysis.VisualBasic.Workspaces (4)
CodeGeneration\VisualBasicSyntaxGenerator.vb (2)
2523Case VarianceKind.In 2525Case VarianceKind.Out
src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\VisualBasic\CodeGeneration\TypeParameterGenerator.vb (2)
18varianceKeyword:=If(symbol.Variance = VarianceKind.In, SyntaxFactory.Token(SyntaxKind.InKeyword), If(symbol.Variance = VarianceKind.Out, SyntaxFactory.Token(SyntaxKind.OutKeyword), Nothing)),
Microsoft.CodeAnalysis.Workspaces (4)
src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\CodeGenerationSymbolFactory.cs (2)
318attributes: default, varianceKind: VarianceKind.None, 330VarianceKind varianceKind, string name,
src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\Symbols\CodeGenerationTypeParameterSymbol.cs (2)
14VarianceKind varianceKind, 26public VarianceKind Variance { get; } = varianceKind;
Roslyn.Diagnostics.Analyzers (4)
src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\CodeGenerationSymbolFactory.cs (2)
318attributes: default, varianceKind: VarianceKind.None, 330VarianceKind varianceKind, string name,
src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\Symbols\CodeGenerationTypeParameterSymbol.cs (2)
14VarianceKind varianceKind, 26public VarianceKind Variance { get; } = varianceKind;
Roslyn.Diagnostics.CSharp.Analyzers (2)
src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\CodeGeneration\TypeParameterGenerator.cs (2)
30symbol.Variance == VarianceKind.In ? InKeyword : 31symbol.Variance == VarianceKind.Out ? OutKeyword : default;