38NullableFlowState result = NullableFlowState.NotNull;

216private static readonly TypeWithState _invalidType = TypeWithState.Create(new UnsupportedMetadataTypeSymbol(), NullableFlowState.NotNull); 1953return NullableFlowState.NotNull; 1986return NullableFlowState.NotNull; 2016return NullableFlowState.NotNull; 2362case NullableFlowState.NotNull: 2737NullableFlowState.NotNull; 2785/// and the new state is not <see cref="NullableFlowState.NotNull"/>, this method should be called to perform the 2793if (newState != NullableFlowState.NotNull && NonMonotonicState.HasValue) 3014return TypeWithState.Create(parameterType.Type, NullableFlowState.NotNull); 3317SetState(ref state, slot, NullableFlowState.NotNull); 3816SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 3824SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 3947return NullableFlowState.NotNull; 4062Debug.Assert(resultState == NullableFlowState.NotNull); 4102return (-1, NullableFlowState.NotNull, inferInitialObjectStateAsContinuation(node, arguments, argumentResults, hasObjectInitializer)); 4108var resultState = NullableFlowState.NotNull; 4175Debug.Assert(resultState == NullableFlowState.NotNull); 4309var result = new VisitResult(objectInitializer.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull); 4498SetAnalyzedNullability(node.ImplicitReceiverOpt, new VisitResult(node.ImplicitReceiverOpt.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull)); 4556SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 4561var resultType = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 4669SetResultType(node, TypeWithState.Create(anonymousType, NullableFlowState.NotNull)); 4701SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 4706SetResultType(node, TypeWithState.Create(arrayType, NullableFlowState.NotNull)); 4984NullableFlowState resultState = NullableFlowState.NotNull; 5015resultState = NullableFlowState.NotNull; 5547SetState(ref stateToUpdate, slot, NullableFlowState.NotNull); 5576SetState(ref state, slot, NullableFlowState.NotNull); 5601if (GetState(ref state, slot) == NullableFlowState.NotNull) 5633SetState(ref state, childSlot, NullableFlowState.NotNull); 5712SetState(ref this.State, leftSlot, NullableFlowState.NotNull); 5767BoundNullCoalescingOperatorResultKind.NoCommonType => (node.Type, NullableFlowState.NotNull), 5772BoundNullCoalescingOperatorResultKind.RightDynamicType => (rightResultType!, NullableFlowState.NotNull), 5789return (rightType, NullableFlowState.NotNull); 5794return (leftType, NullableFlowState.NotNull); 5809TypeWithState.Create(leftType, NullableFlowState.NotNull), 5820return (rightType, NullableFlowState.NotNull); 6315SetResultType(node, TypeWithState.Create(rvalueType, NullableFlowState.NotNull)); 6666return NullableFlowState.NotNull; 6801return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7366SetState(ref state, memberSlot, NullableFlowState.NotNull); 7801return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7820return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7839return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8588SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 8595SetState(ref this.State, slot, NullableFlowState.NotNull); 8613SetResultType(node, TypeWithState.Create(tupleOpt, NullableFlowState.NotNull)); 8735SetState(ref this.State, targetFieldSlot, NullableFlowState.NotNull); 8752SetState(ref this.State, targetFieldSlot, NullableFlowState.NotNull); 8988NullableFlowState resultState = NullableFlowState.NotNull; 9022resultState = NullableFlowState.NotNull; 9046return TypeWithState.Create(targetType, NullableFlowState.NotNull); 9052resultState = NullableFlowState.NotNull; 9056resultState = NullableFlowState.NotNull; 9061resultState = NullableFlowState.NotNull; 9101resultState = NullableFlowState.NotNull; 9225resultState = NullableFlowState.NotNull; 9299resultState = NullableFlowState.NotNull; 9516var resultType = TypeWithState.Create(targetType, NullableFlowState.NotNull); 9796var result = TypeWithState.Create(delegateType, NullableFlowState.NotNull); 10082var rvalueResult = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 10500var valueBeforeNullableWrapping = TypeWithState.Create(underlyingType.Type, NullableFlowState.NotNull); 10976SetState(ref this.StateWhenTrue, containingSlot, NullableFlowState.NotNull); 11194if (enumeratorReturnType.State != NullableFlowState.NotNull) 11275var state = NullableFlowState.NotNull; 11471TypeWithState.Create(node.Type, node.OperatorKind.IsLifted() ? argumentResult.State : NullableFlowState.NotNull); 11518return TypeWithState.Create(node.Type, NullableFlowState.NotNull); 11636SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 11673SetState(ref this.State, slot, NullableFlowState.NotNull); 11719NullableFlowState resultState = NullableFlowState.NotNull; 11772SetResultType(node, TypeWithState.Create(node.Type, node.Type?.CanContainNull() != false && node.ConstantValueOpt?.IsNull == true ? NullableFlowState.MaybeDefault : NullableFlowState.NotNull)); 12056SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 12071SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 12120SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 12126SetResultType(node, TypeWithState.Create(type, NullableFlowState.NotNull)); 12194SetState(ref this.State, slot, NullableFlowState.NotNull); 12283Debug.Assert(ResultType is TypeWithState { Type: FunctionPointerTypeSymbol { }, State: NullableFlowState.NotNull }); 12588SetValue(Id, index, useNotNullsAsDefault ? NullableFlowState.NotNull : walker.GetDefaultState(ref this, slot)); 12620return NullableFlowState.NotNull; 12629(false, false) => NullableFlowState.NotNull, // Should not be reachable 12632(true, true) => NullableFlowState.NotNull 12661NullableFlowState.NotNull => (true, true), 12715var 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

1204return NullableFlowState.NotNull; 1208return type.IsNullableTypeOrTypeParameter() ? NullableFlowState.MaybeNull : NullableFlowState.NotNull; 1215return NullableFlowState.NotNull; 1220return NullableFlowState.NotNull; 1240if (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;