38NullableFlowState result = NullableFlowState.NotNull;

216private static readonly TypeWithState _invalidType = TypeWithState.Create(new UnsupportedMetadataTypeSymbol(), NullableFlowState.NotNull); 1968return NullableFlowState.NotNull; 2001return NullableFlowState.NotNull; 2031return NullableFlowState.NotNull; 2377case NullableFlowState.NotNull: 2752NullableFlowState.NotNull; 2800/// and the new state is not <see cref="NullableFlowState.NotNull"/>, this method should be called to perform the 2808if (newState != NullableFlowState.NotNull && NonMonotonicState.HasValue) 3029return TypeWithState.Create(parameterType.Type, NullableFlowState.NotNull); 3333SetState(ref state, slot, NullableFlowState.NotNull); 3832SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 3840SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 3963return NullableFlowState.NotNull; 4078Debug.Assert(resultState == NullableFlowState.NotNull); 4118return (-1, NullableFlowState.NotNull, inferInitialObjectStateAsContinuation(node, arguments, argumentResults, hasObjectInitializer)); 4124var resultState = NullableFlowState.NotNull; 4191Debug.Assert(resultState == NullableFlowState.NotNull); 4325var result = new VisitResult(objectInitializer.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull); 4514SetAnalyzedNullability(node.ImplicitReceiverOpt, new VisitResult(node.ImplicitReceiverOpt.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull)); 4572SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 4577var resultType = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 4685SetResultType(node, TypeWithState.Create(anonymousType, NullableFlowState.NotNull)); 4717SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 4722SetResultType(node, TypeWithState.Create(arrayType, NullableFlowState.NotNull)); 5000NullableFlowState resultState = NullableFlowState.NotNull; 5031resultState = NullableFlowState.NotNull; 5558SetState(ref stateToUpdate, slot, NullableFlowState.NotNull); 5587SetState(ref state, slot, NullableFlowState.NotNull); 5612if (GetState(ref state, slot) == NullableFlowState.NotNull) 5644SetState(ref state, childSlot, NullableFlowState.NotNull); 5723SetState(ref this.State, leftSlot, NullableFlowState.NotNull); 5778BoundNullCoalescingOperatorResultKind.NoCommonType => (node.Type, NullableFlowState.NotNull), 5783BoundNullCoalescingOperatorResultKind.RightDynamicType => (rightResultType!, NullableFlowState.NotNull), 5800return (rightType, NullableFlowState.NotNull); 5805return (leftType, NullableFlowState.NotNull); 5820TypeWithState.Create(leftType, NullableFlowState.NotNull), 5831return (rightType, NullableFlowState.NotNull); 6327SetResultType(node, TypeWithState.Create(rvalueType, NullableFlowState.NotNull)); 6783return NullableFlowState.NotNull; 6917return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7512SetState(ref state, memberSlot, NullableFlowState.NotNull); 7947return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7966return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7985return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8771SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 8778SetState(ref this.State, slot, NullableFlowState.NotNull); 8796SetResultType(node, TypeWithState.Create(tupleOpt, NullableFlowState.NotNull)); 8918SetState(ref this.State, targetFieldSlot, NullableFlowState.NotNull); 8935SetState(ref this.State, targetFieldSlot, NullableFlowState.NotNull); 9171NullableFlowState resultState = NullableFlowState.NotNull; 9203resultState = NullableFlowState.NotNull; 9227return TypeWithState.Create(targetType, NullableFlowState.NotNull); 9233resultState = NullableFlowState.NotNull; 9237resultState = NullableFlowState.NotNull; 9242resultState = NullableFlowState.NotNull; 9282resultState = NullableFlowState.NotNull; 9406resultState = NullableFlowState.NotNull; 9480resultState = NullableFlowState.NotNull; 9697var resultType = TypeWithState.Create(targetType, NullableFlowState.NotNull); 9977var result = TypeWithState.Create(delegateType, NullableFlowState.NotNull); 10274var rvalueResult = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 10694var valueBeforeNullableWrapping = TypeWithState.Create(underlyingType.Type, NullableFlowState.NotNull); 11233SetState(ref this.StateWhenTrue, containingSlot, NullableFlowState.NotNull); 11451if (enumeratorReturnType.State != NullableFlowState.NotNull) 11532var state = NullableFlowState.NotNull; 11728TypeWithState.Create(node.Type, node.OperatorKind.IsLifted() ? argumentResult.State : NullableFlowState.NotNull); 11775return TypeWithState.Create(node.Type, NullableFlowState.NotNull); 11893SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 11930SetState(ref this.State, slot, NullableFlowState.NotNull); 11976NullableFlowState resultState = NullableFlowState.NotNull; 12029SetResultType(node, TypeWithState.Create(node.Type, node.Type?.CanContainNull() != false && node.ConstantValueOpt?.IsNull == true ? NullableFlowState.MaybeDefault : NullableFlowState.NotNull)); 12313SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 12328SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 12377SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 12383SetResultType(node, TypeWithState.Create(type, NullableFlowState.NotNull)); 12451SetState(ref this.State, slot, NullableFlowState.NotNull); 12540Debug.Assert(ResultType is TypeWithState { Type: FunctionPointerTypeSymbol { }, State: NullableFlowState.NotNull }); 12845SetValue(Id, index, useNotNullsAsDefault ? NullableFlowState.NotNull : walker.GetDefaultState(ref this, slot)); 12877return NullableFlowState.NotNull; 12886(false, false) => NullableFlowState.NotNull, // Should not be reachable 12889(true, true) => NullableFlowState.NotNull 12918NullableFlowState.NotNull => (true, true), 12972var oldValue = oldReachable ? GetValue(i) : NullableFlowState.NotNull;

481SetState(ref State, outputSlot, NullableFlowState.NotNull); 577SetState(ref this.State, outputSlot, NullableFlowState.NotNull); // Slice value is assumed to be never null

1233return NullableFlowState.NotNull; 1237return type.IsNullableTypeOrTypeParameter() ? NullableFlowState.MaybeNull : NullableFlowState.NotNull; 1244return NullableFlowState.NotNull; 1249return NullableFlowState.NotNull; 1269if (state == NullableFlowState.NotNull)

11/// When in doubt we conservatively use <see cref="NullableFlowState.NotNull"/>

13public static bool MayBeNull(this NullableFlowState state) => state != NullableFlowState.NotNull; 15public static bool IsNotNull(this NullableFlowState state) => state == NullableFlowState.NotNull; 25/// The result is <see cref="NullableFlowState.NotNull"/> if either operand is that. 32CSharp.NullableFlowState.NotNull => CodeAnalysis.NullableFlowState.NotNull, 42CodeAnalysis.NullableFlowState.None => CSharp.NullableFlowState.NotNull, 43CodeAnalysis.NullableFlowState.NotNull => CSharp.NullableFlowState.NotNull,

817return annotation.IsAnnotated() ? NullableFlowState.MaybeDefault : NullableFlowState.NotNull; 821return annotation switch { NullableAnnotation.Annotated => NullableFlowState.MaybeDefault, NullableAnnotation.NotAnnotated => NullableFlowState.MaybeNull, _ => NullableFlowState.NotNull }; 825return annotation switch { NullableAnnotation.Annotated => NullableFlowState.MaybeDefault, _ => NullableFlowState.NotNull }; 831return annotation switch { NullableAnnotation.Annotated => NullableFlowState.MaybeNull, _ => NullableFlowState.NotNull };

21public bool IsNotNull => State == NullableFlowState.NotNull; 36var state = defaultState != NullableFlowState.NotNull && type?.CanContainNull() != false ? NullableFlowState.MaybeNull : NullableFlowState.NotNull; 54state = NullableFlowState.NotNull; 63state = NullableFlowState.NotNull; 71Debug.Assert(state == NullableFlowState.NotNull || type?.CanContainNull() != false); 81public TypeWithState WithNotNullState() => new TypeWithState(Type, NullableFlowState.NotNull); 83public TypeWithState WithSuppression(bool suppress) => suppress ? new TypeWithState(Type, NullableFlowState.NotNull) : this;