73Type = type;

130Debug.Assert(TypeSymbol.Equals(RValueType.Type, LValueType.Type, TypeCompareKind.ConsiderEverything)); 350Debug.Assert(TypeAllowsConditionalState(visitResult.RValueType.Type) 411expr.Type?.Equals(result.RValueType.Type, TypeCompareKind.AllIgnoreOptions) == true ? result.RValueType.Type : expr.Type); 547Debug.Assert(AreCloseEnough(placeholder.Type, result.RValueType.Type)); 2406!targetType.Type.Equals(valueType.Type, TypeCompareKind.AllIgnoreOptions)) 2454return valueType.Type?.TypeKind == TypeKind.TypeParameter && 2662target.Type.Equals(assignedValue.Type, TypeCompareKind.AllIgnoreOptions); 3704Debug.Assert((object?)resultType.Type != _invalidType.Type); 3705Debug.Assert(AreCloseEnough(resultType.Type, node.Type)); 4542Debug.Assert(TypeSymbol.Equals(containingType, receiverResult.RValueType.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 4600Debug.Assert(TypeSymbol.Equals(containingType, receiverResult.RValueType.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 5007var type = ResultType.Type as ArrayTypeSymbol; 5033var expressionType = VisitRvalueWithState(node.Expression).Type; 5384TypeSymbol asMemberOfType = getTypeIfContainingType(methodContainer, leftUnderlyingType.Type, leftOperand) ?? 5385getTypeIfContainingType(methodContainer, rightUnderlyingType.Type, rightOperand) ?? methodContainer; 5403[new BoundExpressionWithNullability(leftOperand.Syntax, leftOperand, leftUnderlyingType.ToTypeWithAnnotations(compilation).NullableAnnotation, leftUnderlyingType.Type), 5404new BoundExpressionWithNullability(rightOperand.Syntax, rightOperand, rightUnderlyingType.ToTypeWithAnnotations(compilation).NullableAnnotation, rightUnderlyingType.Type)], 5846Debug.Assert(TypeSymbol.Equals(targetType.Type, rightResult.Type, TypeCompareKind.AllIgnoreOptions)); 5889var leftResultType = leftResult.Type; 5890var rightResultType = rightResult.Type; 5943Debug.Assert(conversionResult.Type is not null); 5944return (conversionResult.Type!, conversionResult.State); 6193refResultType = consequenceRValue.Type!.MergeEquivalentTypes(alternativeRValue.Type, VarianceKind.None); 6221resultType = alternativeRValue.Type; 6225resultType = consequenceRValue.Type; 6438var rvalueType = _currentConditionalReceiverVisitResult.RValueType.Type; 6621method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 6740isWellKnownEqualityMethodOrImplementation(compilation, method, receiverType.Type, WellKnownMember.System_Collections_Generic_IEqualityComparer_T__Equals)) 6751isWellKnownEqualityMethodOrImplementation(compilation, method, receiverType.Type, WellKnownMember.System_IEquatable_T__Equals))) 6969var type = receiverType.Type; 7066return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7071return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 7823var argumentResultType = resultType.Type; 7908hasNoNonNullableCounterpart(valueState.Type) && 8090return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8096return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8111return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8115return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8130return TypeWithState.Create(typeWithState.Type, NullableFlowState.MaybeDefault); 8134return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8380method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 8647return TypeWithState.Create(type.Type, state); 9463if (operandType.Type?.IsTupleType == true || conversionOperand.Kind == BoundKind.TupleLiteral) 9474conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 9485if (AreNullableAndUnderlyingTypes(targetType, operandType.Type, out TypeWithAnnotations underlyingType)) 9500conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 9508if (operandType.Type?.IsNullableType() == true && !targetType.IsNullableType()) 9542TrackNullableStateOfTupleConversion(conversionOpt, conversionOperand, conversion, targetType, operandType.Type, slot, valueSlot, assignmentKind, parameterOpt, reportWarnings: reportRemainingWarnings); 9552conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 9570conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 9580conversion = GenerateConversion(_conversions, conversionOperand, operandType.Type, targetType, fromExplicitCast, extensionMethodThisArgument, isChecked: conversionOpt?.Checked ?? false); 9604ReportNullabilityMismatchInArgument(getDiagnosticLocation(), operandType.Type, parameterOpt, targetType, forOutput: false); 9608ReportNullabilityMismatchInAssignment(getDiagnosticLocation(), GetTypeAsDiagnosticArgument(operandType.Type), targetType); 9649var type = operandType.Type; 9680var type = operandType.Type; 9873Debug.Assert(operandType.Type is object); 9881if (operandType.Type.IsNullableType() && !parameterType.IsNullableType()) 9883var underlyingOperandTypeWithAnnotations = operandType.Type.GetNullableUnderlyingTypeWithAnnotations(); 10021var type = typeWithState.Type; 10053Debug.Assert(operandType.Type is object); 10056var conversion = _conversions.ClassifyStandardConversion(operandType.Type, targetType.Type, ref discardedUseSiteInfo); 10061ReportNullabilityMismatchInArgument(diagnosticLocation, operandType.Type, parameterOpt, targetType.Type, forOutput: false); 10065ReportNullabilityMismatchInAssignment(diagnosticLocation, operandType.Type, targetType.Type); 10310method = (MethodSymbol)AsMemberOfType(receiverType.Type, method); 10683Debug.Assert(rightResult.Type is object); 10694deconstructMethod = (MethodSymbol)AsMemberOfType(rightResult.Type, deconstructMethod); 10838AreNullableAndUnderlyingTypes(lvalueType.Type, operandType.Type, out TypeWithAnnotations underlyingType)) 10973SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 10977SetResultType(node, TypeWithState.Create(results[0].RValueType.Type, GetState(ref State, extensionReceiverSlot))); 10997SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 11151SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11155SetResultType(node, TypeWithState.Create(results[0].RValueType.Type, GetState(ref State, extensionReceiverSlot))); 11179SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 11378var receiverType = VisitRvalueWithState(receiverOpt).Type; 11456member = AsMemberOfType(receiverType.Type, member); 11470if (PossiblyNullableType(resultType.Type)) 11476resultType = TypeWithState.Create(resultType.Type, state); 11581var resultType = resultTypeWithState.Type; 11693getEnumeratorType = spanType.Construct(ImmutableArray.Create(convertedResult.Type!.TryGetInlineArrayElementField()!.TypeWithAnnotations)); 11697getEnumeratorType = convertedResult.Type; 11713var currentPropertyGetter = (MethodSymbol)AsMemberOfType(enumeratorReturnType.Type, enumeratorInfoOpt.CurrentPropertyGetter); 11993method = (MethodSymbol)AsMemberOfType(operandType.Type!.StrippedType(), method); 12007[new BoundExpressionWithNullability(operand.Syntax, operand, operandType.ToTypeWithAnnotations(compilation).NullableAnnotation, operandType.Type)], 12238var reinferredGetResult = _visitResult.RValueType.Type is NamedTypeSymbol taskAwaiterType 12483@event = (EventSymbol)AsMemberOfType(ResultType.Type, @event); 12592var resultTypeSymbol = resultType.Type; 12898Debug.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);