38NullableFlowState result = NullableFlowState.NotNull;

466SetState(ref State, outputSlot, NullableFlowState.NotNull); 518SetState(ref this.State, outputSlot, NullableFlowState.NotNull); // Slice value is assumed to be never null 999receiverType: TypeWithState.Create(inputType, NullableFlowState.NotNull),

235private static readonly TypeWithState _invalidType = TypeWithState.Create(new UnsupportedMetadataTypeSymbol(), NullableFlowState.NotNull); 2048return NullableFlowState.NotNull; 2081return NullableFlowState.NotNull; 2117return NullableFlowState.NotNull; 2482case NullableFlowState.NotNull: 2865NullableFlowState.NotNull; 2913/// and the new state is not <see cref="NullableFlowState.NotNull"/>, this method should be called to perform the 2921if (newState != NullableFlowState.NotNull && NonMonotonicState.HasValue) 3142return TypeWithState.Create(parameterType.Type, NullableFlowState.NotNull); 3445SetState(ref state, slot, NullableFlowState.NotNull); 3718placeholderResult = new VisitResult(placeholder.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull); 3969SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 3977SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 4073NullableFlowState.NotNull)); 4283return NullableFlowState.NotNull; 4404Debug.Assert(resultState == NullableFlowState.NotNull); 4444return (-1, NullableFlowState.NotNull, inferInitialObjectStateAsContinuation(node, arguments, argumentResults, hasObjectInitializer)); 4450var resultState = NullableFlowState.NotNull; 4539Debug.Assert(resultState == NullableFlowState.NotNull); 4692var result = new VisitResult(objectInitializer.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull); 4717argumentResults = argumentResults.SetItem(0, new VisitResult(containingType, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull)); 4843firstArgumentResult = new VisitResult(containingType, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull); 4936SetAnalyzedNullability(node.ImplicitReceiverOpt, new VisitResult(node.ImplicitReceiverOpt.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull)); 4994SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 4999var resultType = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 5107SetResultType(node, TypeWithState.Create(anonymousType, NullableFlowState.NotNull)); 5139SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 5144SetResultType(node, TypeWithState.Create(arrayType, NullableFlowState.NotNull)); 5422NullableFlowState resultState = NullableFlowState.NotNull; 5453resultState = NullableFlowState.NotNull; 6058SetState(ref stateToUpdate, slot, NullableFlowState.NotNull); 6087SetState(ref state, slot, NullableFlowState.NotNull); 6112if (GetState(ref state, slot) == NullableFlowState.NotNull) 6144SetState(ref state, childSlot, NullableFlowState.NotNull); 6223SetState(ref this.State, leftSlot, NullableFlowState.NotNull); 6278BoundNullCoalescingOperatorResultKind.NoCommonType => (node.Type, NullableFlowState.NotNull), 6283BoundNullCoalescingOperatorResultKind.RightDynamicType => (rightResultType!, NullableFlowState.NotNull), 6301return (rightType, NullableFlowState.NotNull); 6307return (leftType, NullableFlowState.NotNull); 6322TypeWithState.Create(leftType, NullableFlowState.NotNull), 6333return (rightType, NullableFlowState.NotNull); 6829SetResultType(node, TypeWithState.Create(rvalueType, NullableFlowState.NotNull)); 7387return NullableFlowState.NotNull; 7521return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8143SetState(ref state, memberSlot, NullableFlowState.NotNull); 8594return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8613return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8632return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 9476SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 9483SetState(ref this.State, slot, NullableFlowState.NotNull); 9501SetResultType(node, TypeWithState.Create(tupleOpt, NullableFlowState.NotNull)); 9624SetState(ref this.State, targetFieldSlot, NullableFlowState.NotNull); 9641SetState(ref this.State, targetFieldSlot, NullableFlowState.NotNull); 9936NullableFlowState resultState = NullableFlowState.NotNull; 9968resultState = NullableFlowState.NotNull; 9993return TypeWithState.Create(targetType, NullableFlowState.NotNull); 9999resultState = NullableFlowState.NotNull; 10003resultState = NullableFlowState.NotNull; 10008resultState = NullableFlowState.NotNull; 10068resultState = NullableFlowState.NotNull; 10230resultState = NullableFlowState.NotNull; 10303resultState = NullableFlowState.NotNull; 10527var resultType = TypeWithState.Create(targetType, NullableFlowState.NotNull); 10679var resultType = TypeWithState.Create(targetTypeWithNullability.Type, NullableFlowState.NotNull); 10772unionTypeWithState = TypeWithState.Create(toType, NullableFlowState.NotNull); 10983var result = TypeWithState.Create(delegateType, NullableFlowState.NotNull); 11280var rvalueResult = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 11705var valueBeforeNullableWrapping = TypeWithState.Create(underlyingType.Type, NullableFlowState.NotNull); 11838SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11862SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 12031SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 12059SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 12440SetState(ref this.StateWhenTrue, slotToSet, NullableFlowState.NotNull); 12671if (enumeratorReturnType.State != NullableFlowState.NotNull) 12742var state = NullableFlowState.NotNull; 12946TypeWithState.Create(node.Type, node.OperatorKind.IsLifted() ? argumentResult.State : NullableFlowState.NotNull); 13212SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 13249SetState(ref this.State, slot, NullableFlowState.NotNull); 13295NullableFlowState resultState = NullableFlowState.NotNull; 13348SetResultType(node, TypeWithState.Create(node.Type, node.Type?.CanContainNull() != false && node.ConstantValueOpt?.IsNull == true ? NullableFlowState.MaybeDefault : NullableFlowState.NotNull)); 13632SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 13647SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 13696SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 13702SetResultType(node, TypeWithState.Create(type, NullableFlowState.NotNull)); 13770SetState(ref this.State, slot, NullableFlowState.NotNull); 13912Debug.Assert(ResultType is TypeWithState { Type: FunctionPointerTypeSymbol { }, State: NullableFlowState.NotNull }); 14218SetValue(Id, index, useNotNullsAsDefault ? NullableFlowState.NotNull : walker.GetDefaultState(ref this, slot)); 14250return NullableFlowState.NotNull; 14259(false, false) => NullableFlowState.NotNull, // Should not be reachable 14262(true, true) => NullableFlowState.NotNull 14291NullableFlowState.NotNull => (true, true), 14345var oldValue = oldReachable ? GetValue(i) : NullableFlowState.NotNull;

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

2687var result = 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;