38NullableFlowState result = NullableFlowState.NotNull;

235private static readonly TypeWithState _invalidType = TypeWithState.Create(new UnsupportedMetadataTypeSymbol(), NullableFlowState.NotNull); 1993return NullableFlowState.NotNull; 2026return NullableFlowState.NotNull; 2056return NullableFlowState.NotNull; 2402case NullableFlowState.NotNull: 2777NullableFlowState.NotNull; 2825/// and the new state is not <see cref="NullableFlowState.NotNull"/>, this method should be called to perform the 2833if (newState != NullableFlowState.NotNull && NonMonotonicState.HasValue) 3054return TypeWithState.Create(parameterType.Type, NullableFlowState.NotNull); 3357SetState(ref state, slot, NullableFlowState.NotNull); 3854SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 3862SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 3957NullableFlowState.NotNull)); 4166return NullableFlowState.NotNull; 4287Debug.Assert(resultState == NullableFlowState.NotNull); 4327return (-1, NullableFlowState.NotNull, inferInitialObjectStateAsContinuation(node, arguments, argumentResults, hasObjectInitializer)); 4333var resultState = NullableFlowState.NotNull; 4400Debug.Assert(resultState == NullableFlowState.NotNull); 4557var result = new VisitResult(objectInitializer.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull); 4784SetAnalyzedNullability(node.ImplicitReceiverOpt, new VisitResult(node.ImplicitReceiverOpt.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull)); 4842SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 4847var resultType = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 4955SetResultType(node, TypeWithState.Create(anonymousType, NullableFlowState.NotNull)); 4987SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 4992SetResultType(node, TypeWithState.Create(arrayType, NullableFlowState.NotNull)); 5270NullableFlowState resultState = NullableFlowState.NotNull; 5301resultState = NullableFlowState.NotNull; 5890SetState(ref stateToUpdate, slot, NullableFlowState.NotNull); 5919SetState(ref state, slot, NullableFlowState.NotNull); 5944if (GetState(ref state, slot) == NullableFlowState.NotNull) 5976SetState(ref state, childSlot, NullableFlowState.NotNull); 6055SetState(ref this.State, leftSlot, NullableFlowState.NotNull); 6110BoundNullCoalescingOperatorResultKind.NoCommonType => (node.Type, NullableFlowState.NotNull), 6115BoundNullCoalescingOperatorResultKind.RightDynamicType => (rightResultType!, NullableFlowState.NotNull), 6132return (rightType, NullableFlowState.NotNull); 6137return (leftType, NullableFlowState.NotNull); 6152TypeWithState.Create(leftType, NullableFlowState.NotNull), 6163return (rightType, NullableFlowState.NotNull); 6659SetResultType(node, TypeWithState.Create(rvalueType, NullableFlowState.NotNull)); 7196return NullableFlowState.NotNull; 7330return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 7913SetState(ref state, memberSlot, NullableFlowState.NotNull); 8348return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8367return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8386return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 9230SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 9237SetState(ref this.State, slot, NullableFlowState.NotNull); 9255SetResultType(node, TypeWithState.Create(tupleOpt, NullableFlowState.NotNull)); 9377SetState(ref this.State, targetFieldSlot, NullableFlowState.NotNull); 9394SetState(ref this.State, targetFieldSlot, NullableFlowState.NotNull); 9630NullableFlowState resultState = NullableFlowState.NotNull; 9662resultState = NullableFlowState.NotNull; 9686return TypeWithState.Create(targetType, NullableFlowState.NotNull); 9692resultState = NullableFlowState.NotNull; 9696resultState = NullableFlowState.NotNull; 9701resultState = NullableFlowState.NotNull; 9741resultState = NullableFlowState.NotNull; 9865resultState = NullableFlowState.NotNull; 9939resultState = NullableFlowState.NotNull; 10163var resultType = TypeWithState.Create(targetType, NullableFlowState.NotNull); 10443var result = TypeWithState.Create(delegateType, NullableFlowState.NotNull); 10740var rvalueResult = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 11158var valueBeforeNullableWrapping = TypeWithState.Create(underlyingType.Type, NullableFlowState.NotNull); 11291SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11315SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 11472SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11500SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 11822SetState(ref this.StateWhenTrue, containingSlot, NullableFlowState.NotNull); 12044if (enumeratorReturnType.State != NullableFlowState.NotNull) 12125var state = NullableFlowState.NotNull; 12329TypeWithState.Create(node.Type, node.OperatorKind.IsLifted() ? argumentResult.State : NullableFlowState.NotNull); 12597SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 12634SetState(ref this.State, slot, NullableFlowState.NotNull); 12680NullableFlowState resultState = NullableFlowState.NotNull; 12733SetResultType(node, TypeWithState.Create(node.Type, node.Type?.CanContainNull() != false && node.ConstantValueOpt?.IsNull == true ? NullableFlowState.MaybeDefault : NullableFlowState.NotNull)); 13017SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 13032SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 13081SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 13087SetResultType(node, TypeWithState.Create(type, NullableFlowState.NotNull)); 13155SetState(ref this.State, slot, NullableFlowState.NotNull); 13246Debug.Assert(ResultType is TypeWithState { Type: FunctionPointerTypeSymbol { }, State: NullableFlowState.NotNull }); 13551SetValue(Id, index, useNotNullsAsDefault ? NullableFlowState.NotNull : walker.GetDefaultState(ref this, slot)); 13583return NullableFlowState.NotNull; 13592(false, false) => NullableFlowState.NotNull, // Should not be reachable 13595(true, true) => NullableFlowState.NotNull 13624NullableFlowState.NotNull => (true, true), 13678var oldValue = oldReachable ? GetValue(i) : NullableFlowState.NotNull;

462SetState(ref State, outputSlot, NullableFlowState.NotNull); 514SetState(ref this.State, outputSlot, NullableFlowState.NotNull); // Slice value is assumed to be never null

1231return NullableFlowState.NotNull; 1235return type.IsNullableTypeOrTypeParameter() ? NullableFlowState.MaybeNull : NullableFlowState.NotNull; 1242return NullableFlowState.NotNull; 1247return NullableFlowState.NotNull; 1267if (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;

126979var inputs = new[] { NullableFlowState.NotNull, NullableFlowState.MaybeNull }; 126985{ NullableFlowState.NotNull, NullableFlowState.MaybeNull }, 127011var inputs = new[] { NullableFlowState.NotNull, NullableFlowState.MaybeNull }; 127016{ NullableFlowState.NotNull, NullableFlowState.NotNull }, 127017{ NullableFlowState.NotNull, NullableFlowState.MaybeNull },