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)); 4012return NullableFlowState.NotNull; 4132Debug.Assert(resultState == NullableFlowState.NotNull); 4172return (-1, NullableFlowState.NotNull, inferInitialObjectStateAsContinuation(node, arguments, argumentResults, hasObjectInitializer)); 4178var resultState = NullableFlowState.NotNull; 4245Debug.Assert(resultState == NullableFlowState.NotNull); 4379var result = new VisitResult(objectInitializer.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull); 4568SetAnalyzedNullability(node.ImplicitReceiverOpt, new VisitResult(node.ImplicitReceiverOpt.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull)); 4626SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 4631var resultType = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 4739SetResultType(node, TypeWithState.Create(anonymousType, NullableFlowState.NotNull)); 4771SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 4776SetResultType(node, TypeWithState.Create(arrayType, NullableFlowState.NotNull)); 5054NullableFlowState resultState = NullableFlowState.NotNull; 5085resultState = NullableFlowState.NotNull; 5674SetState(ref stateToUpdate, slot, NullableFlowState.NotNull); 5703SetState(ref state, slot, NullableFlowState.NotNull); 5728if (GetState(ref state, slot) == NullableFlowState.NotNull) 5760SetState(ref state, childSlot, NullableFlowState.NotNull); 5839SetState(ref this.State, leftSlot, NullableFlowState.NotNull); 5894BoundNullCoalescingOperatorResultKind.NoCommonType => (node.Type, NullableFlowState.NotNull), 5899BoundNullCoalescingOperatorResultKind.RightDynamicType => (rightResultType!, NullableFlowState.NotNull), 5916return (rightType, NullableFlowState.NotNull); 5921return (leftType, NullableFlowState.NotNull); 5936TypeWithState.Create(leftType, NullableFlowState.NotNull), 5947return (rightType, NullableFlowState.NotNull); 6443SetResultType(node, TypeWithState.Create(rvalueType, NullableFlowState.NotNull)); 6932return NullableFlowState.NotNull; 7066return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7661SetState(ref state, memberSlot, NullableFlowState.NotNull); 8096return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8115return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8134return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8920SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 8927SetState(ref this.State, slot, NullableFlowState.NotNull); 8945SetResultType(node, TypeWithState.Create(tupleOpt, NullableFlowState.NotNull)); 9067SetState(ref this.State, targetFieldSlot, NullableFlowState.NotNull); 9084SetState(ref this.State, targetFieldSlot, NullableFlowState.NotNull); 9320NullableFlowState resultState = NullableFlowState.NotNull; 9352resultState = NullableFlowState.NotNull; 9376return TypeWithState.Create(targetType, NullableFlowState.NotNull); 9382resultState = NullableFlowState.NotNull; 9386resultState = NullableFlowState.NotNull; 9391resultState = NullableFlowState.NotNull; 9431resultState = NullableFlowState.NotNull; 9555resultState = NullableFlowState.NotNull; 9629resultState = NullableFlowState.NotNull; 9846var resultType = TypeWithState.Create(targetType, NullableFlowState.NotNull); 10126var result = TypeWithState.Create(delegateType, NullableFlowState.NotNull); 10423var rvalueResult = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 10843var valueBeforeNullableWrapping = TypeWithState.Create(underlyingType.Type, NullableFlowState.NotNull); 10973SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 10997SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 11151SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11179SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 11487SetState(ref this.StateWhenTrue, containingSlot, NullableFlowState.NotNull); 11705if (enumeratorReturnType.State != NullableFlowState.NotNull) 11786var state = NullableFlowState.NotNull; 11983TypeWithState.Create(node.Type, node.OperatorKind.IsLifted() ? argumentResult.State : NullableFlowState.NotNull); 12251SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 12288SetState(ref this.State, slot, NullableFlowState.NotNull); 12334NullableFlowState resultState = NullableFlowState.NotNull; 12387SetResultType(node, TypeWithState.Create(node.Type, node.Type?.CanContainNull() != false && node.ConstantValueOpt?.IsNull == true ? NullableFlowState.MaybeDefault : NullableFlowState.NotNull)); 12671SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 12686SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 12735SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 12741SetResultType(node, TypeWithState.Create(type, NullableFlowState.NotNull)); 12809SetState(ref this.State, slot, NullableFlowState.NotNull); 12898Debug.Assert(ResultType is TypeWithState { Type: FunctionPointerTypeSymbol { }, State: NullableFlowState.NotNull }); 13203SetValue(Id, index, useNotNullsAsDefault ? NullableFlowState.NotNull : walker.GetDefaultState(ref this, slot)); 13235return NullableFlowState.NotNull; 13244(false, false) => NullableFlowState.NotNull, // Should not be reachable 13247(true, true) => NullableFlowState.NotNull 13276NullableFlowState.NotNull => (true, true), 13330var 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;