73Type = type;

415Debug.Assert(isDerivedType(NominalSlotType(originalInputSlot), expressionTypeWithState.Type)); 416tempMap.Add(rootTemp, (originalInputSlot, expressionTypeWithState.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); 2511!targetType.Type.Equals(valueType.Type, TypeCompareKind.AllIgnoreOptions)) 2559return valueType.Type?.TypeKind == TypeKind.TypeParameter && 2767target.Type.Equals(assignedValue.Type, TypeCompareKind.AllIgnoreOptions); 4968Debug.Assert(TypeSymbol.Equals(containingType, receiverResult.RValueType.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 5375var type = ResultType.Type as ArrayTypeSymbol; 5401var expressionType = VisitRvalueWithState(node.Expression).Type; 5768TypeSymbol asMemberOfType = getTypeIfContainingType(methodContainer, leftUnderlyingType.Type, leftOperand) ?? 5769getTypeIfContainingType(methodContainer, rightUnderlyingType.Type, rightOperand) ?? methodContainer; 5787[new BoundExpressionWithNullability(leftOperand.Syntax, leftOperand, leftUnderlyingType.ToTypeWithAnnotations(compilation).NullableAnnotation, leftUnderlyingType.Type), 5788new BoundExpressionWithNullability(rightOperand.Syntax, rightOperand, rightUnderlyingType.ToTypeWithAnnotations(compilation).NullableAnnotation, rightUnderlyingType.Type)], 6230Debug.Assert(TypeSymbol.Equals(targetType.Type, rightResult.Type, TypeCompareKind.AllIgnoreOptions)); 6273var leftResultType = leftResult.Type; 6274var rightResultType = rightResult.Type; 6329Debug.Assert(conversionResult.Type is not null); 6330return (conversionResult.Type!, conversionResult.State); 6579refResultType = consequenceRValue.Type!.MergeEquivalentTypes(alternativeRValue.Type, VarianceKind.None); 6607resultType = alternativeRValue.Type; 6611resultType = consequenceRValue.Type; 6824var rvalueType = _currentConditionalReceiverVisitResult.RValueType.Type; 7053method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 7062ReinferenceResult<MethodSymbol> reinferenceResult = VisitArgumentsCore(node, receiverType.Type, arguments, refKindsOpt, parameters, argsToParamsOpt, defaultArguments, 7195isWellKnownEqualityMethodOrImplementation(compilation, method, receiverType.Type, WellKnownMember.System_Collections_Generic_IEqualityComparer_T__Equals)) 7206isWellKnownEqualityMethodOrImplementation(compilation, method, receiverType.Type, WellKnownMember.System_IEquatable_T__Equals))) 7424var type = receiverType.Type; 7521return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7526return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8301var argumentResultType = resultType.Type; 8386hasNoNonNullableCounterpart(valueState.Type) && 8588return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8594return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8609return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8613return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8628return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8632return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8924method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 9202return TypeWithState.Create(type.Type, state); 9680if (PossiblyNullableType(valueFieldType.Type)) 9685valueFieldType = TypeWithState.Create(valueFieldType.Type, GetState(ref this.State, valueFieldSlot)); 9689var conversionOperand = new BoundValueForNullableAnalysis(convertedNode.Syntax, originalExpression: null, valueFieldType.Type); 10114if (operandType.Type?.IsTupleType == true || conversionOperand.Kind == BoundKind.TupleLiteral) 10126conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 10137if (AreNullableAndUnderlyingTypes(targetType, operandType.Type, out TypeWithAnnotations underlyingType)) 10152conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 10160if (operandType.Type?.IsNullableType() == true && !targetType.IsNullableType()) 10196TrackNullableStateOfTupleConversion(conversionOpt, conversionOperand, conversion, targetType, operandType.Type, fromExplicitCast: fromExplicitCast, slot, valueSlot, assignmentKind, parameterOpt, reportWarnings: reportRemainingWarnings); 10207canConvertNestedNullability = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false).Exists; 10245Conversion generated = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 10254Conversion generated = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 10278ReportNullabilityMismatchInArgument(getDiagnosticLocation(), operandType.Type, parameterOpt, targetType, forOutput: false); 10282ReportNullabilityMismatchInAssignment(getDiagnosticLocation(), GetTypeAsDiagnosticArgument(operandType.Type), targetType); 10323var type = operandType.Type; 10354var type = operandType.Type; 10554Debug.Assert(operandType.Type is object); 10562if (operandType.Type.IsNullableType() && !parameterType.IsNullableType()) 10564var underlyingOperandTypeWithAnnotations = operandType.Type.GetNullableUnderlyingTypeWithAnnotations(); 10751Debug.Assert(operandType.Type is object); 10878var type = typeWithState.Type; 10910Debug.Assert(operandType.Type is object); 10913var conversion = _conversions.ClassifyStandardConversion(operandType.Type, targetType.Type, ref discardedUseSiteInfo); 10918ReportNullabilityMismatchInArgument(diagnosticLocation, operandType.Type, parameterOpt, targetType.Type, forOutput: false); 10922ReportNullabilityMismatchInAssignment(diagnosticLocation, operandType.Type, targetType.Type); 11167method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 11543Debug.Assert(rightResult.Type is object); 11554deconstructMethod = (MethodSymbol)AsMemberOfType(rightResult.Type, deconstructMethod); 11700AreNullableAndUnderlyingTypes(lvalueType.Type, operandType.Type, out TypeWithAnnotations underlyingType)) 11838SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11842SetResultType(node, TypeWithState.Create(results[0].RValueType.Type, GetState(ref State, extensionReceiverSlot))); 11862SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 12031SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 12035SetResultType(node, TypeWithState.Create(results[0].RValueType.Type, GetState(ref State, extensionReceiverSlot))); 12059SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 12313var receiverType = VisitRvalueWithState(receiverOpt).Type; 12391member = AsMemberOfType(receiverType.Type, member); 12395receiverType.Type is NamedTypeSymbol { IsUnionType: true } unionType && 12413if (PossiblyNullableType(resultType.Type)) 12419resultType = TypeWithState.Create(resultType.Type, state); 12541var resultType = resultTypeWithState.Type; 12659getEnumeratorType = spanType.Construct(ImmutableArray.Create(convertedResult.Type!.TryGetInlineArrayElementField()!.TypeWithAnnotations)); 12663getEnumeratorType = convertedResult.Type; 12679var currentPropertyGetter = (MethodSymbol)AsMemberOfType(enumeratorReturnType.Type, enumeratorInfoOpt.CurrentPropertyGetter); 12956method = (MethodSymbol)AsMemberOfType(operandType.Type!.StrippedType(), method); 12970[new BoundExpressionWithNullability(operand.Syntax, operand, operandType.ToTypeWithAnnotations(compilation).NullableAnnotation, operandType.Type)], 13202var reinferredGetResult = (MethodSymbol)AsMemberOfType(_visitResult.RValueType.Type, awaitableInfo.GetResult); 13444@event = (EventSymbol)AsMemberOfType(ResultType.Type, @event); 13553var resultTypeSymbol = resultType.Type; 13912Debug.Assert(ResultType is TypeWithState { Type: FunctionPointerTypeSymbol { }, State: NullableFlowState.NotNull });

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);