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)); 2431!targetType.Type.Equals(valueType.Type, TypeCompareKind.AllIgnoreOptions)) 2479return valueType.Type?.TypeKind == TypeKind.TypeParameter && 2687target.Type.Equals(assignedValue.Type, TypeCompareKind.AllIgnoreOptions); 3726Debug.Assert((object?)resultType.Type != _invalidType.Type); 3727Debug.Assert(AreCloseEnough(resultType.Type, node.Type)); 4758Debug.Assert(TypeSymbol.Equals(containingType, receiverResult.RValueType.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 4816Debug.Assert(TypeSymbol.Equals(containingType, receiverResult.RValueType.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 5223var type = ResultType.Type as ArrayTypeSymbol; 5249var expressionType = VisitRvalueWithState(node.Expression).Type; 5600TypeSymbol asMemberOfType = getTypeIfContainingType(methodContainer, leftUnderlyingType.Type, leftOperand) ?? 5601getTypeIfContainingType(methodContainer, rightUnderlyingType.Type, rightOperand) ?? methodContainer; 5619[new BoundExpressionWithNullability(leftOperand.Syntax, leftOperand, leftUnderlyingType.ToTypeWithAnnotations(compilation).NullableAnnotation, leftUnderlyingType.Type), 5620new BoundExpressionWithNullability(rightOperand.Syntax, rightOperand, rightUnderlyingType.ToTypeWithAnnotations(compilation).NullableAnnotation, rightUnderlyingType.Type)], 6062Debug.Assert(TypeSymbol.Equals(targetType.Type, rightResult.Type, TypeCompareKind.AllIgnoreOptions)); 6105var leftResultType = leftResult.Type; 6106var rightResultType = rightResult.Type; 6159Debug.Assert(conversionResult.Type is not null); 6160return (conversionResult.Type!, conversionResult.State); 6409refResultType = consequenceRValue.Type!.MergeEquivalentTypes(alternativeRValue.Type, VarianceKind.None); 6437resultType = alternativeRValue.Type; 6441resultType = consequenceRValue.Type; 6654var rvalueType = _currentConditionalReceiverVisitResult.RValueType.Type; 6883method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 7004isWellKnownEqualityMethodOrImplementation(compilation, method, receiverType.Type, WellKnownMember.System_Collections_Generic_IEqualityComparer_T__Equals)) 7015isWellKnownEqualityMethodOrImplementation(compilation, method, receiverType.Type, WellKnownMember.System_IEquatable_T__Equals))) 7233var type = receiverType.Type; 7330return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7335return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8075var argumentResultType = resultType.Type; 8160hasNoNonNullableCounterpart(valueState.Type) && 8342return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8348return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8363return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8367return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8382return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8386return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8678method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 8956return TypeWithState.Create(type.Type, state); 9773if (operandType.Type?.IsTupleType == true || conversionOperand.Kind == BoundKind.TupleLiteral) 9784conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 9795if (AreNullableAndUnderlyingTypes(targetType, operandType.Type, out TypeWithAnnotations underlyingType)) 9810conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 9818if (operandType.Type?.IsNullableType() == true && !targetType.IsNullableType()) 9852TrackNullableStateOfTupleConversion(conversionOpt, conversionOperand, conversion, targetType, operandType.Type, slot, valueSlot, assignmentKind, parameterOpt, reportWarnings: reportRemainingWarnings); 9862conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 9880conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 9890conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 9914ReportNullabilityMismatchInArgument(getDiagnosticLocation(), operandType.Type, parameterOpt, targetType, forOutput: false); 9918ReportNullabilityMismatchInAssignment(getDiagnosticLocation(), GetTypeAsDiagnosticArgument(operandType.Type), targetType); 9959var type = operandType.Type; 9990var type = operandType.Type; 10190Debug.Assert(operandType.Type is object); 10198if (operandType.Type.IsNullableType() && !parameterType.IsNullableType()) 10200var underlyingOperandTypeWithAnnotations = operandType.Type.GetNullableUnderlyingTypeWithAnnotations(); 10338var type = typeWithState.Type; 10370Debug.Assert(operandType.Type is object); 10373var conversion = _conversions.ClassifyStandardConversion(operandType.Type, targetType.Type, ref discardedUseSiteInfo); 10378ReportNullabilityMismatchInArgument(diagnosticLocation, operandType.Type, parameterOpt, targetType.Type, forOutput: false); 10382ReportNullabilityMismatchInAssignment(diagnosticLocation, operandType.Type, targetType.Type); 10627method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 10998Debug.Assert(rightResult.Type is object); 11009deconstructMethod = (MethodSymbol)AsMemberOfType(rightResult.Type, deconstructMethod); 11153AreNullableAndUnderlyingTypes(lvalueType.Type, operandType.Type, out TypeWithAnnotations underlyingType)) 11291SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11295SetResultType(node, TypeWithState.Create(results[0].RValueType.Type, GetState(ref State, extensionReceiverSlot))); 11315SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 11472SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11476SetResultType(node, TypeWithState.Create(results[0].RValueType.Type, GetState(ref State, extensionReceiverSlot))); 11500SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 11707var receiverType = VisitRvalueWithState(receiverOpt).Type; 11791member = AsMemberOfType(receiverType.Type, member); 11805if (PossiblyNullableType(resultType.Type)) 11811resultType = TypeWithState.Create(resultType.Type, state); 11914var resultType = resultTypeWithState.Type; 12032getEnumeratorType = spanType.Construct(ImmutableArray.Create(convertedResult.Type!.TryGetInlineArrayElementField()!.TypeWithAnnotations)); 12036getEnumeratorType = convertedResult.Type; 12052var currentPropertyGetter = (MethodSymbol)AsMemberOfType(enumeratorReturnType.Type, enumeratorInfoOpt.CurrentPropertyGetter); 12339method = (MethodSymbol)AsMemberOfType(operandType.Type!.StrippedType(), method); 12353[new BoundExpressionWithNullability(operand.Syntax, operand, operandType.ToTypeWithAnnotations(compilation).NullableAnnotation, operandType.Type)], 12584var reinferredGetResult = _visitResult.RValueType.Type is NamedTypeSymbol taskAwaiterType 12829@event = (EventSymbol)AsMemberOfType(ResultType.Type, @event); 12938var resultTypeSymbol = resultType.Type; 13246Debug.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);