73Type = type;

149Debug.Assert(TypeSymbol.Equals(RValueType.Type, LValueType.Type, TypeCompareKind.ConsiderEverything)); 369Debug.Assert(TypeAllowsConditionalState(visitResult.RValueType.Type) 436expr.Type?.Equals(result.RValueType.Type, TypeCompareKind.AllIgnoreOptions) == true ? result.RValueType.Type : expr.Type); 574Debug.Assert(AreCloseEnough(placeholder.Type, result.RValueType.Type)); 2431!targetType.Type.Equals(valueType.Type, TypeCompareKind.AllIgnoreOptions)) 2479return valueType.Type?.TypeKind == TypeKind.TypeParameter && 2687target.Type.Equals(assignedValue.Type, TypeCompareKind.AllIgnoreOptions); 3754Debug.Assert((object?)resultType.Type != _invalidType.Type); 3755Debug.Assert(AreCloseEnough(resultType.Type, node.Type)); 4830Debug.Assert(TypeSymbol.Equals(containingType, receiverResult.RValueType.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 4888Debug.Assert(TypeSymbol.Equals(containingType, receiverResult.RValueType.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 5295var type = ResultType.Type as ArrayTypeSymbol; 5321var expressionType = VisitRvalueWithState(node.Expression).Type; 5672TypeSymbol asMemberOfType = getTypeIfContainingType(methodContainer, leftUnderlyingType.Type, leftOperand) ?? 5673getTypeIfContainingType(methodContainer, rightUnderlyingType.Type, rightOperand) ?? methodContainer; 5691[new BoundExpressionWithNullability(leftOperand.Syntax, leftOperand, leftUnderlyingType.ToTypeWithAnnotations(compilation).NullableAnnotation, leftUnderlyingType.Type), 5692new BoundExpressionWithNullability(rightOperand.Syntax, rightOperand, rightUnderlyingType.ToTypeWithAnnotations(compilation).NullableAnnotation, rightUnderlyingType.Type)], 6134Debug.Assert(TypeSymbol.Equals(targetType.Type, rightResult.Type, TypeCompareKind.AllIgnoreOptions)); 6177var leftResultType = leftResult.Type; 6178var rightResultType = rightResult.Type; 6233Debug.Assert(conversionResult.Type is not null); 6234return (conversionResult.Type!, conversionResult.State); 6483refResultType = consequenceRValue.Type!.MergeEquivalentTypes(alternativeRValue.Type, VarianceKind.None); 6511resultType = alternativeRValue.Type; 6515resultType = consequenceRValue.Type; 6728var rvalueType = _currentConditionalReceiverVisitResult.RValueType.Type; 6957method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 7078isWellKnownEqualityMethodOrImplementation(compilation, method, receiverType.Type, WellKnownMember.System_Collections_Generic_IEqualityComparer_T__Equals)) 7089isWellKnownEqualityMethodOrImplementation(compilation, method, receiverType.Type, WellKnownMember.System_IEquatable_T__Equals))) 7307var type = receiverType.Type; 7404return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7409return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8174var argumentResultType = resultType.Type; 8259hasNoNonNullableCounterpart(valueState.Type) && 8466return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8472return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8487return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8491return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8506return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8510return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8802method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 9080return TypeWithState.Create(type.Type, state); 9558if (PossiblyNullableType(valueFieldType.Type)) 9563valueFieldType = TypeWithState.Create(valueFieldType.Type, GetState(ref this.State, valueFieldSlot)); 9567var conversionOperand = new BoundValueForNullableAnalysis(convertedNode.Syntax, originalExpression: null, valueFieldType.Type); 9994if (operandType.Type?.IsTupleType == true || conversionOperand.Kind == BoundKind.TupleLiteral) 10006conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 10017if (AreNullableAndUnderlyingTypes(targetType, operandType.Type, out TypeWithAnnotations underlyingType)) 10032conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 10040if (operandType.Type?.IsNullableType() == true && !targetType.IsNullableType()) 10076TrackNullableStateOfTupleConversion(conversionOpt, conversionOperand, conversion, targetType, operandType.Type, fromExplicitCast: fromExplicitCast, slot, valueSlot, assignmentKind, parameterOpt, reportWarnings: reportRemainingWarnings); 10087canConvertNestedNullability = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false).Exists; 10125Conversion generated = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 10134Conversion generated = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 10158ReportNullabilityMismatchInArgument(getDiagnosticLocation(), operandType.Type, parameterOpt, targetType, forOutput: false); 10162ReportNullabilityMismatchInAssignment(getDiagnosticLocation(), GetTypeAsDiagnosticArgument(operandType.Type), targetType); 10203var type = operandType.Type; 10234var type = operandType.Type; 10434Debug.Assert(operandType.Type is object); 10442if (operandType.Type.IsNullableType() && !parameterType.IsNullableType()) 10444var underlyingOperandTypeWithAnnotations = operandType.Type.GetNullableUnderlyingTypeWithAnnotations(); 10621Debug.Assert(operandType.Type is object); 10737var type = typeWithState.Type; 10769Debug.Assert(operandType.Type is object); 10772var conversion = _conversions.ClassifyStandardConversion(operandType.Type, targetType.Type, ref discardedUseSiteInfo); 10777ReportNullabilityMismatchInArgument(diagnosticLocation, operandType.Type, parameterOpt, targetType.Type, forOutput: false); 10781ReportNullabilityMismatchInAssignment(diagnosticLocation, operandType.Type, targetType.Type); 11026method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 11397Debug.Assert(rightResult.Type is object); 11408deconstructMethod = (MethodSymbol)AsMemberOfType(rightResult.Type, deconstructMethod); 11552AreNullableAndUnderlyingTypes(lvalueType.Type, operandType.Type, out TypeWithAnnotations underlyingType)) 11690SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11694SetResultType(node, TypeWithState.Create(results[0].RValueType.Type, GetState(ref State, extensionReceiverSlot))); 11714SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 11879SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11883SetResultType(node, TypeWithState.Create(results[0].RValueType.Type, GetState(ref State, extensionReceiverSlot))); 11907SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 12114var receiverType = VisitRvalueWithState(receiverOpt).Type; 12199member = AsMemberOfType(receiverType.Type, member); 12203receiverType.Type is NamedTypeSymbol { IsUnionType: true } unionType && 12221if (PossiblyNullableType(resultType.Type)) 12227resultType = TypeWithState.Create(resultType.Type, state); 12340var resultType = resultTypeWithState.Type; 12458getEnumeratorType = spanType.Construct(ImmutableArray.Create(convertedResult.Type!.TryGetInlineArrayElementField()!.TypeWithAnnotations)); 12462getEnumeratorType = convertedResult.Type; 12478var currentPropertyGetter = (MethodSymbol)AsMemberOfType(enumeratorReturnType.Type, enumeratorInfoOpt.CurrentPropertyGetter); 12755method = (MethodSymbol)AsMemberOfType(operandType.Type!.StrippedType(), method); 12769[new BoundExpressionWithNullability(operand.Syntax, operand, operandType.ToTypeWithAnnotations(compilation).NullableAnnotation, operandType.Type)], 13001var reinferredGetResult = (MethodSymbol)AsMemberOfType(_visitResult.RValueType.Type, awaitableInfo.GetResult); 13243@event = (EventSymbol)AsMemberOfType(ResultType.Type, @event); 13352var resultTypeSymbol = resultType.Type; 13711Debug.Assert(ResultType is TypeWithState { Type: FunctionPointerTypeSymbol { }, State: NullableFlowState.NotNull });

411Debug.Assert(isDerivedType(NominalSlotType(originalInputSlot), expressionTypeWithState.Type)); 412tempMap.Add(rootTemp, (originalInputSlot, expressionTypeWithState.Type));

18[MemberNotNullWhen(false, nameof(Type))] 19public bool HasNullType => Type is null; 77public string GetDebuggerDisplay() => $"{{Type:{Type?.GetDebuggerDisplay()}, State:{State}{"}"}"; 81public TypeWithState WithNotNullState() => new TypeWithState(Type, NullableFlowState.NotNull); 83public TypeWithState WithSuppression(bool suppress) => suppress ? new TypeWithState(Type, NullableFlowState.NotNull) : this; 87if (Type?.IsTypeParameterDisallowingAnnotationInCSharp8() == true) 89var type = TypeWithAnnotations.Create(Type, NullableAnnotation.NotAnnotated); 93(Type?.IsValueType == true ? NullableAnnotation.NotAnnotated : NullableAnnotation.Annotated) : 94(State.IsNotNull() || Type?.CanContainNull() == false ? NullableAnnotation.NotAnnotated : NullableAnnotation.Annotated); 95return TypeWithAnnotations.Create(this.Type, annotation);