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)); 2469!targetType.Type.Equals(valueType.Type, TypeCompareKind.AllIgnoreOptions)) 2517return valueType.Type?.TypeKind == TypeKind.TypeParameter && 2725target.Type.Equals(assignedValue.Type, TypeCompareKind.AllIgnoreOptions); 3799Debug.Assert((object?)resultType.Type != _invalidType.Type); 3800Debug.Assert(AreCloseEnough(resultType.Type, node.Type)); 4868Debug.Assert(TypeSymbol.Equals(containingType, receiverResult.RValueType.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 4926Debug.Assert(TypeSymbol.Equals(containingType, receiverResult.RValueType.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 5333var type = ResultType.Type as ArrayTypeSymbol; 5359var expressionType = VisitRvalueWithState(node.Expression).Type; 5710TypeSymbol asMemberOfType = getTypeIfContainingType(methodContainer, leftUnderlyingType.Type, leftOperand) ?? 5711getTypeIfContainingType(methodContainer, rightUnderlyingType.Type, rightOperand) ?? methodContainer; 5729[new BoundExpressionWithNullability(leftOperand.Syntax, leftOperand, leftUnderlyingType.ToTypeWithAnnotations(compilation).NullableAnnotation, leftUnderlyingType.Type), 5730new BoundExpressionWithNullability(rightOperand.Syntax, rightOperand, rightUnderlyingType.ToTypeWithAnnotations(compilation).NullableAnnotation, rightUnderlyingType.Type)], 6172Debug.Assert(TypeSymbol.Equals(targetType.Type, rightResult.Type, TypeCompareKind.AllIgnoreOptions)); 6215var leftResultType = leftResult.Type; 6216var rightResultType = rightResult.Type; 6271Debug.Assert(conversionResult.Type is not null); 6272return (conversionResult.Type!, conversionResult.State); 6521refResultType = consequenceRValue.Type!.MergeEquivalentTypes(alternativeRValue.Type, VarianceKind.None); 6549resultType = alternativeRValue.Type; 6553resultType = consequenceRValue.Type; 6766var rvalueType = _currentConditionalReceiverVisitResult.RValueType.Type; 6995method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 7004ReinferenceResult<MethodSymbol> reinferenceResult = VisitArgumentsCore(node, receiverType.Type, arguments, refKindsOpt, parameters, argsToParamsOpt, defaultArguments, 7137isWellKnownEqualityMethodOrImplementation(compilation, method, receiverType.Type, WellKnownMember.System_Collections_Generic_IEqualityComparer_T__Equals)) 7148isWellKnownEqualityMethodOrImplementation(compilation, method, receiverType.Type, WellKnownMember.System_IEquatable_T__Equals))) 7366var type = receiverType.Type; 7463return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7468return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8243var argumentResultType = resultType.Type; 8328hasNoNonNullableCounterpart(valueState.Type) && 8530return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8536return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8551return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8555return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8570return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8574return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8866method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 9144return TypeWithState.Create(type.Type, state); 9622if (PossiblyNullableType(valueFieldType.Type)) 9627valueFieldType = TypeWithState.Create(valueFieldType.Type, GetState(ref this.State, valueFieldSlot)); 9631var conversionOperand = new BoundValueForNullableAnalysis(convertedNode.Syntax, originalExpression: null, valueFieldType.Type); 10056if (operandType.Type?.IsTupleType == true || conversionOperand.Kind == BoundKind.TupleLiteral) 10068conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 10079if (AreNullableAndUnderlyingTypes(targetType, operandType.Type, out TypeWithAnnotations underlyingType)) 10094conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 10102if (operandType.Type?.IsNullableType() == true && !targetType.IsNullableType()) 10138TrackNullableStateOfTupleConversion(conversionOpt, conversionOperand, conversion, targetType, operandType.Type, fromExplicitCast: fromExplicitCast, slot, valueSlot, assignmentKind, parameterOpt, reportWarnings: reportRemainingWarnings); 10149canConvertNestedNullability = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false).Exists; 10187Conversion generated = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 10196Conversion generated = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 10220ReportNullabilityMismatchInArgument(getDiagnosticLocation(), operandType.Type, parameterOpt, targetType, forOutput: false); 10224ReportNullabilityMismatchInAssignment(getDiagnosticLocation(), GetTypeAsDiagnosticArgument(operandType.Type), targetType); 10265var type = operandType.Type; 10296var type = operandType.Type; 10496Debug.Assert(operandType.Type is object); 10504if (operandType.Type.IsNullableType() && !parameterType.IsNullableType()) 10506var underlyingOperandTypeWithAnnotations = operandType.Type.GetNullableUnderlyingTypeWithAnnotations(); 10689Debug.Assert(operandType.Type is object); 10816var type = typeWithState.Type; 10848Debug.Assert(operandType.Type is object); 10851var conversion = _conversions.ClassifyStandardConversion(operandType.Type, targetType.Type, ref discardedUseSiteInfo); 10856ReportNullabilityMismatchInArgument(diagnosticLocation, operandType.Type, parameterOpt, targetType.Type, forOutput: false); 10860ReportNullabilityMismatchInAssignment(diagnosticLocation, operandType.Type, targetType.Type); 11105method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 11474Debug.Assert(rightResult.Type is object); 11485deconstructMethod = (MethodSymbol)AsMemberOfType(rightResult.Type, deconstructMethod); 11631AreNullableAndUnderlyingTypes(lvalueType.Type, operandType.Type, out TypeWithAnnotations underlyingType)) 11769SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11773SetResultType(node, TypeWithState.Create(results[0].RValueType.Type, GetState(ref State, extensionReceiverSlot))); 11793SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 11962SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11966SetResultType(node, TypeWithState.Create(results[0].RValueType.Type, GetState(ref State, extensionReceiverSlot))); 11990SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 12244var receiverType = VisitRvalueWithState(receiverOpt).Type; 12322member = AsMemberOfType(receiverType.Type, member); 12326receiverType.Type is NamedTypeSymbol { IsUnionType: true } unionType && 12344if (PossiblyNullableType(resultType.Type)) 12350resultType = TypeWithState.Create(resultType.Type, state); 12463var resultType = resultTypeWithState.Type; 12581getEnumeratorType = spanType.Construct(ImmutableArray.Create(convertedResult.Type!.TryGetInlineArrayElementField()!.TypeWithAnnotations)); 12585getEnumeratorType = convertedResult.Type; 12601var currentPropertyGetter = (MethodSymbol)AsMemberOfType(enumeratorReturnType.Type, enumeratorInfoOpt.CurrentPropertyGetter); 12878method = (MethodSymbol)AsMemberOfType(operandType.Type!.StrippedType(), method); 12892[new BoundExpressionWithNullability(operand.Syntax, operand, operandType.ToTypeWithAnnotations(compilation).NullableAnnotation, operandType.Type)], 13124var reinferredGetResult = (MethodSymbol)AsMemberOfType(_visitResult.RValueType.Type, awaitableInfo.GetResult); 13366@event = (EventSymbol)AsMemberOfType(ResultType.Type, @event); 13475var resultTypeSymbol = resultType.Type; 13834Debug.Assert(ResultType is TypeWithState { Type: FunctionPointerTypeSymbol { }, State: NullableFlowState.NotNull });

415Debug.Assert(isDerivedType(NominalSlotType(originalInputSlot), expressionTypeWithState.Type)); 416tempMap.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);