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); 591Debug.Assert(AreCloseEnough(placeholder.Type, result.RValueType.Type)); 2467!targetType.Type.Equals(valueType.Type, TypeCompareKind.AllIgnoreOptions)) 2515return valueType.Type?.TypeKind == TypeKind.TypeParameter && 2723target.Type.Equals(assignedValue.Type, TypeCompareKind.AllIgnoreOptions); 3790Debug.Assert((object?)resultType.Type != _invalidType.Type); 3791Debug.Assert(AreCloseEnough(resultType.Type, node.Type)); 4870Debug.Assert(TypeSymbol.Equals(containingType, receiverResult.RValueType.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 4928Debug.Assert(TypeSymbol.Equals(containingType, receiverResult.RValueType.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 5335var type = ResultType.Type as ArrayTypeSymbol; 5361var expressionType = VisitRvalueWithState(node.Expression).Type; 5712TypeSymbol asMemberOfType = getTypeIfContainingType(methodContainer, leftUnderlyingType.Type, leftOperand) ?? 5713getTypeIfContainingType(methodContainer, rightUnderlyingType.Type, rightOperand) ?? methodContainer; 5731[new BoundExpressionWithNullability(leftOperand.Syntax, leftOperand, leftUnderlyingType.ToTypeWithAnnotations(compilation).NullableAnnotation, leftUnderlyingType.Type), 5732new BoundExpressionWithNullability(rightOperand.Syntax, rightOperand, rightUnderlyingType.ToTypeWithAnnotations(compilation).NullableAnnotation, rightUnderlyingType.Type)], 6174Debug.Assert(TypeSymbol.Equals(targetType.Type, rightResult.Type, TypeCompareKind.AllIgnoreOptions)); 6217var leftResultType = leftResult.Type; 6218var rightResultType = rightResult.Type; 6273Debug.Assert(conversionResult.Type is not null); 6274return (conversionResult.Type!, conversionResult.State); 6523refResultType = consequenceRValue.Type!.MergeEquivalentTypes(alternativeRValue.Type, VarianceKind.None); 6551resultType = alternativeRValue.Type; 6555resultType = consequenceRValue.Type; 6768var rvalueType = _currentConditionalReceiverVisitResult.RValueType.Type; 6997method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 7005ReinferenceResult<MethodSymbol> reinferenceResult = VisitArgumentsCore(node, receiverType.Type, arguments, refKindsOpt, parameters, argsToParamsOpt, defaultArguments, 7118isWellKnownEqualityMethodOrImplementation(compilation, method, receiverType.Type, WellKnownMember.System_Collections_Generic_IEqualityComparer_T__Equals)) 7129isWellKnownEqualityMethodOrImplementation(compilation, method, receiverType.Type, WellKnownMember.System_IEquatable_T__Equals))) 7347var type = receiverType.Type; 7444return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7449return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8216var argumentResultType = resultType.Type; 8301hasNoNonNullableCounterpart(valueState.Type) && 8503return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8509return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8524return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8528return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8543return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8547return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8839method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 9117return TypeWithState.Create(type.Type, state); 9595if (PossiblyNullableType(valueFieldType.Type)) 9600valueFieldType = TypeWithState.Create(valueFieldType.Type, GetState(ref this.State, valueFieldSlot)); 9604var conversionOperand = new BoundValueForNullableAnalysis(convertedNode.Syntax, originalExpression: null, valueFieldType.Type); 10029if (operandType.Type?.IsTupleType == true || conversionOperand.Kind == BoundKind.TupleLiteral) 10041conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 10052if (AreNullableAndUnderlyingTypes(targetType, operandType.Type, out TypeWithAnnotations underlyingType)) 10067conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 10075if (operandType.Type?.IsNullableType() == true && !targetType.IsNullableType()) 10111TrackNullableStateOfTupleConversion(conversionOpt, conversionOperand, conversion, targetType, operandType.Type, fromExplicitCast: fromExplicitCast, slot, valueSlot, assignmentKind, parameterOpt, reportWarnings: reportRemainingWarnings); 10122canConvertNestedNullability = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false).Exists; 10160Conversion generated = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 10169Conversion generated = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 10193ReportNullabilityMismatchInArgument(getDiagnosticLocation(), operandType.Type, parameterOpt, targetType, forOutput: false); 10197ReportNullabilityMismatchInAssignment(getDiagnosticLocation(), GetTypeAsDiagnosticArgument(operandType.Type), targetType); 10238var type = operandType.Type; 10269var type = operandType.Type; 10469Debug.Assert(operandType.Type is object); 10477if (operandType.Type.IsNullableType() && !parameterType.IsNullableType()) 10479var underlyingOperandTypeWithAnnotations = operandType.Type.GetNullableUnderlyingTypeWithAnnotations(); 10660Debug.Assert(operandType.Type is object); 10787var type = typeWithState.Type; 10819Debug.Assert(operandType.Type is object); 10822var conversion = _conversions.ClassifyStandardConversion(operandType.Type, targetType.Type, ref discardedUseSiteInfo); 10827ReportNullabilityMismatchInArgument(diagnosticLocation, operandType.Type, parameterOpt, targetType.Type, forOutput: false); 10831ReportNullabilityMismatchInAssignment(diagnosticLocation, operandType.Type, targetType.Type); 11076method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 11447Debug.Assert(rightResult.Type is object); 11458deconstructMethod = (MethodSymbol)AsMemberOfType(rightResult.Type, deconstructMethod); 11603AreNullableAndUnderlyingTypes(lvalueType.Type, operandType.Type, out TypeWithAnnotations underlyingType)) 11741SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11745SetResultType(node, TypeWithState.Create(results[0].RValueType.Type, GetState(ref State, extensionReceiverSlot))); 11765SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 11934SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11938SetResultType(node, TypeWithState.Create(results[0].RValueType.Type, GetState(ref State, extensionReceiverSlot))); 11962SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 12169var receiverType = VisitRvalueWithState(receiverOpt).Type; 12254member = AsMemberOfType(receiverType.Type, member); 12258receiverType.Type is NamedTypeSymbol { IsUnionType: true } unionType && 12276if (PossiblyNullableType(resultType.Type)) 12282resultType = TypeWithState.Create(resultType.Type, state); 12395var resultType = resultTypeWithState.Type; 12513getEnumeratorType = spanType.Construct(ImmutableArray.Create(convertedResult.Type!.TryGetInlineArrayElementField()!.TypeWithAnnotations)); 12517getEnumeratorType = convertedResult.Type; 12533var currentPropertyGetter = (MethodSymbol)AsMemberOfType(enumeratorReturnType.Type, enumeratorInfoOpt.CurrentPropertyGetter); 12810method = (MethodSymbol)AsMemberOfType(operandType.Type!.StrippedType(), method); 12824[new BoundExpressionWithNullability(operand.Syntax, operand, operandType.ToTypeWithAnnotations(compilation).NullableAnnotation, operandType.Type)], 13056var reinferredGetResult = (MethodSymbol)AsMemberOfType(_visitResult.RValueType.Type, awaitableInfo.GetResult); 13298@event = (EventSymbol)AsMemberOfType(ResultType.Type, @event); 13407var resultTypeSymbol = resultType.Type; 13766Debug.Assert(ResultType is TypeWithState { Type: FunctionPointerTypeSymbol { }, State: NullableFlowState.NotNull });

413Debug.Assert(isDerivedType(NominalSlotType(originalInputSlot), expressionTypeWithState.Type)); 414tempMap.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);