38NullableFlowState result = NullableFlowState.NotNull;

216private static readonly TypeWithState _invalidType = TypeWithState.Create(new UnsupportedMetadataTypeSymbol(), NullableFlowState.NotNull); 1952return NullableFlowState.NotNull; 1985return NullableFlowState.NotNull; 2015return NullableFlowState.NotNull; 2361case NullableFlowState.NotNull: 2733NullableFlowState.NotNull; 2765/// and the new state is not <see cref="NullableFlowState.NotNull"/>, this method should be called to perform the 2773if (newState != NullableFlowState.NotNull && NonMonotonicState.HasValue) 2987return TypeWithState.Create(parameterType.Type, NullableFlowState.NotNull); 3290SetState(ref state, slot, NullableFlowState.NotNull); 3789SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 3797SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 3920return NullableFlowState.NotNull; 4035Debug.Assert(resultState == NullableFlowState.NotNull); 4075return (-1, NullableFlowState.NotNull, inferInitialObjectStateAsContinuation(node, arguments, argumentResults, hasObjectInitializer)); 4081var resultState = NullableFlowState.NotNull; 4148Debug.Assert(resultState == NullableFlowState.NotNull); 4282var result = new VisitResult(objectInitializer.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull); 4471SetAnalyzedNullability(node.ImplicitReceiverOpt, new VisitResult(node.ImplicitReceiverOpt.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull)); 4528SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 4533var resultType = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 4641SetResultType(node, TypeWithState.Create(anonymousType, NullableFlowState.NotNull)); 4673SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 4678SetResultType(node, TypeWithState.Create(arrayType, NullableFlowState.NotNull)); 4956NullableFlowState resultState = NullableFlowState.NotNull; 4987resultState = NullableFlowState.NotNull; 5519SetState(ref stateToUpdate, slot, NullableFlowState.NotNull); 5548SetState(ref state, slot, NullableFlowState.NotNull); 5573if (GetState(ref state, slot) == NullableFlowState.NotNull) 5605SetState(ref state, childSlot, NullableFlowState.NotNull); 5684SetState(ref this.State, leftSlot, NullableFlowState.NotNull); 5739BoundNullCoalescingOperatorResultKind.NoCommonType => (node.Type, NullableFlowState.NotNull), 5744BoundNullCoalescingOperatorResultKind.RightDynamicType => (rightResultType!, NullableFlowState.NotNull), 5761return (rightType, NullableFlowState.NotNull); 5766return (leftType, NullableFlowState.NotNull); 5781TypeWithState.Create(leftType, NullableFlowState.NotNull), 5792return (rightType, NullableFlowState.NotNull); 6287SetResultType(node, TypeWithState.Create(rvalueType, NullableFlowState.NotNull)); 6636return NullableFlowState.NotNull; 6765return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7330SetState(ref state, memberSlot, NullableFlowState.NotNull); 7765return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7784return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7803return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8550SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 8557SetState(ref this.State, slot, NullableFlowState.NotNull); 8575SetResultType(node, TypeWithState.Create(tupleOpt, NullableFlowState.NotNull)); 8697SetState(ref this.State, targetFieldSlot, NullableFlowState.NotNull); 8714SetState(ref this.State, targetFieldSlot, NullableFlowState.NotNull); 8950NullableFlowState resultState = NullableFlowState.NotNull; 8982resultState = NullableFlowState.NotNull; 9006return TypeWithState.Create(targetType, NullableFlowState.NotNull); 9012resultState = NullableFlowState.NotNull; 9016resultState = NullableFlowState.NotNull; 9021resultState = NullableFlowState.NotNull; 9061resultState = NullableFlowState.NotNull; 9185resultState = NullableFlowState.NotNull; 9259resultState = NullableFlowState.NotNull; 9476var resultType = TypeWithState.Create(targetType, NullableFlowState.NotNull); 9756var result = TypeWithState.Create(delegateType, NullableFlowState.NotNull); 10041var rvalueResult = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 10458var valueBeforeNullableWrapping = TypeWithState.Create(underlyingType.Type, NullableFlowState.NotNull); 10934SetState(ref this.StateWhenTrue, containingSlot, NullableFlowState.NotNull); 11152if (enumeratorReturnType.State != NullableFlowState.NotNull) 11233var state = NullableFlowState.NotNull; 11429TypeWithState.Create(node.Type, node.OperatorKind.IsLifted() ? argumentResult.State : NullableFlowState.NotNull); 11476return TypeWithState.Create(node.Type, NullableFlowState.NotNull); 11594SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 11631SetState(ref this.State, slot, NullableFlowState.NotNull); 11677NullableFlowState resultState = NullableFlowState.NotNull; 11730SetResultType(node, TypeWithState.Create(node.Type, node.Type?.CanContainNull() != false && node.ConstantValueOpt?.IsNull == true ? NullableFlowState.MaybeDefault : NullableFlowState.NotNull)); 12014SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 12029SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 12078SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 12084SetResultType(node, TypeWithState.Create(type, NullableFlowState.NotNull)); 12152SetState(ref this.State, slot, NullableFlowState.NotNull); 12241Debug.Assert(ResultType is TypeWithState { Type: FunctionPointerTypeSymbol { }, State: NullableFlowState.NotNull }); 12546SetValue(Id, index, useNotNullsAsDefault ? NullableFlowState.NotNull : walker.GetDefaultState(ref this, slot)); 12578return NullableFlowState.NotNull; 12587(false, false) => NullableFlowState.NotNull, // Should not be reachable 12590(true, true) => NullableFlowState.NotNull 12619NullableFlowState.NotNull => (true, true), 12673var 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;