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); 572Debug.Assert(AreCloseEnough(placeholder.Type, result.RValueType.Type)); 2430!targetType.Type.Equals(valueType.Type, TypeCompareKind.AllIgnoreOptions)) 2478return valueType.Type?.TypeKind == TypeKind.TypeParameter && 2686target.Type.Equals(assignedValue.Type, TypeCompareKind.AllIgnoreOptions); 3726Debug.Assert((object?)resultType.Type != _invalidType.Type); 3727Debug.Assert(AreCloseEnough(resultType.Type, node.Type)); 4601Debug.Assert(TypeSymbol.Equals(containingType, receiverResult.RValueType.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 4659Debug.Assert(TypeSymbol.Equals(containingType, receiverResult.RValueType.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 5066var type = ResultType.Type as ArrayTypeSymbol; 5092var expressionType = VisitRvalueWithState(node.Expression).Type; 5443TypeSymbol asMemberOfType = getTypeIfContainingType(methodContainer, leftUnderlyingType.Type, leftOperand) ?? 5444getTypeIfContainingType(methodContainer, rightUnderlyingType.Type, rightOperand) ?? methodContainer; 5462[new BoundExpressionWithNullability(leftOperand.Syntax, leftOperand, leftUnderlyingType.ToTypeWithAnnotations(compilation).NullableAnnotation, leftUnderlyingType.Type), 5463new BoundExpressionWithNullability(rightOperand.Syntax, rightOperand, rightUnderlyingType.ToTypeWithAnnotations(compilation).NullableAnnotation, rightUnderlyingType.Type)], 5905Debug.Assert(TypeSymbol.Equals(targetType.Type, rightResult.Type, TypeCompareKind.AllIgnoreOptions)); 5948var leftResultType = leftResult.Type; 5949var rightResultType = rightResult.Type; 6002Debug.Assert(conversionResult.Type is not null); 6003return (conversionResult.Type!, conversionResult.State); 6252refResultType = consequenceRValue.Type!.MergeEquivalentTypes(alternativeRValue.Type, VarianceKind.None); 6280resultType = alternativeRValue.Type; 6284resultType = consequenceRValue.Type; 6497var rvalueType = _currentConditionalReceiverVisitResult.RValueType.Type; 6721method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 6841isWellKnownEqualityMethodOrImplementation(compilation, method, receiverType.Type, WellKnownMember.System_Collections_Generic_IEqualityComparer_T__Equals)) 6852isWellKnownEqualityMethodOrImplementation(compilation, method, receiverType.Type, WellKnownMember.System_IEquatable_T__Equals))) 7070var type = receiverType.Type; 7167return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7172return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 7919var argumentResultType = resultType.Type; 8004hasNoNonNullableCounterpart(valueState.Type) && 8186return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8192return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8207return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8211return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8226return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8230return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8522method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 8789return TypeWithState.Create(type.Type, state); 9606if (operandType.Type?.IsTupleType == true || conversionOperand.Kind == BoundKind.TupleLiteral) 9617conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 9628if (AreNullableAndUnderlyingTypes(targetType, operandType.Type, out TypeWithAnnotations underlyingType)) 9643conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 9651if (operandType.Type?.IsNullableType() == true && !targetType.IsNullableType()) 9685TrackNullableStateOfTupleConversion(conversionOpt, conversionOperand, conversion, targetType, operandType.Type, slot, valueSlot, assignmentKind, parameterOpt, reportWarnings: reportRemainingWarnings); 9695conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 9713conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 9723conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 9747ReportNullabilityMismatchInArgument(getDiagnosticLocation(), operandType.Type, parameterOpt, targetType, forOutput: false); 9751ReportNullabilityMismatchInAssignment(getDiagnosticLocation(), GetTypeAsDiagnosticArgument(operandType.Type), targetType); 9792var type = operandType.Type; 9823var type = operandType.Type; 10024Debug.Assert(operandType.Type is object); 10032if (operandType.Type.IsNullableType() && !parameterType.IsNullableType()) 10034var underlyingOperandTypeWithAnnotations = operandType.Type.GetNullableUnderlyingTypeWithAnnotations(); 10172var type = typeWithState.Type; 10204Debug.Assert(operandType.Type is object); 10207var conversion = _conversions.ClassifyStandardConversion(operandType.Type, targetType.Type, ref discardedUseSiteInfo); 10212ReportNullabilityMismatchInArgument(diagnosticLocation, operandType.Type, parameterOpt, targetType.Type, forOutput: false); 10216ReportNullabilityMismatchInAssignment(diagnosticLocation, operandType.Type, targetType.Type); 10461method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 10832Debug.Assert(rightResult.Type is object); 10843deconstructMethod = (MethodSymbol)AsMemberOfType(rightResult.Type, deconstructMethod); 10987AreNullableAndUnderlyingTypes(lvalueType.Type, operandType.Type, out TypeWithAnnotations underlyingType)) 11121SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11125SetResultType(node, TypeWithState.Create(results[0].RValueType.Type, GetState(ref State, extensionReceiverSlot))); 11145SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 11298SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11302SetResultType(node, TypeWithState.Create(results[0].RValueType.Type, GetState(ref State, extensionReceiverSlot))); 11326SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 11531var receiverType = VisitRvalueWithState(receiverOpt).Type; 11609member = AsMemberOfType(receiverType.Type, member); 11623if (PossiblyNullableType(resultType.Type)) 11629resultType = TypeWithState.Create(resultType.Type, state); 11732var resultType = resultTypeWithState.Type; 11849getEnumeratorType = spanType.Construct(ImmutableArray.Create(convertedResult.Type!.TryGetInlineArrayElementField()!.TypeWithAnnotations)); 11853getEnumeratorType = convertedResult.Type; 11869var currentPropertyGetter = (MethodSymbol)AsMemberOfType(enumeratorReturnType.Type, enumeratorInfoOpt.CurrentPropertyGetter); 12156method = (MethodSymbol)AsMemberOfType(operandType.Type!.StrippedType(), method); 12170[new BoundExpressionWithNullability(operand.Syntax, operand, operandType.ToTypeWithAnnotations(compilation).NullableAnnotation, operandType.Type)], 12401var reinferredGetResult = _visitResult.RValueType.Type is NamedTypeSymbol taskAwaiterType 12646@event = (EventSymbol)AsMemberOfType(ResultType.Type, @event); 12755var resultTypeSymbol = resultType.Type; 13061Debug.Assert(ResultType is TypeWithState { Type: FunctionPointerTypeSymbol { }, State: NullableFlowState.NotNull });

410Debug.Assert(isDerivedType(NominalSlotType(originalInputSlot), expressionTypeWithState.Type)); 411tempMap.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);