38NullableFlowState result = NullableFlowState.NotNull;

235private static readonly TypeWithState _invalidType = TypeWithState.Create(new UnsupportedMetadataTypeSymbol(), NullableFlowState.NotNull); 2011return NullableFlowState.NotNull; 2044return NullableFlowState.NotNull; 2073var result = NullableFlowState.NotNull; 2092return NullableFlowState.NotNull; 2438case NullableFlowState.NotNull: 2814NullableFlowState.NotNull; 2862/// and the new state is not <see cref="NullableFlowState.NotNull"/>, this method should be called to perform the 2870if (newState != NullableFlowState.NotNull && NonMonotonicState.HasValue) 3091return TypeWithState.Create(parameterType.Type, NullableFlowState.NotNull); 3394SetState(ref state, slot, NullableFlowState.NotNull); 3667placeholderResult = new VisitResult(placeholder.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull); 3918SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 3926SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 4022NullableFlowState.NotNull)); 4232return NullableFlowState.NotNull; 4353Debug.Assert(resultState == NullableFlowState.NotNull); 4393return (-1, NullableFlowState.NotNull, inferInitialObjectStateAsContinuation(node, arguments, argumentResults, hasObjectInitializer)); 4399var resultState = NullableFlowState.NotNull; 4488Debug.Assert(resultState == NullableFlowState.NotNull); 4668var result = new VisitResult(objectInitializer.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull); 4896SetAnalyzedNullability(node.ImplicitReceiverOpt, new VisitResult(node.ImplicitReceiverOpt.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull)); 4954SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 4959var resultType = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 5067SetResultType(node, TypeWithState.Create(anonymousType, NullableFlowState.NotNull)); 5099SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 5104SetResultType(node, TypeWithState.Create(arrayType, NullableFlowState.NotNull)); 5382NullableFlowState resultState = NullableFlowState.NotNull; 5413resultState = NullableFlowState.NotNull; 6002SetState(ref stateToUpdate, slot, NullableFlowState.NotNull); 6031SetState(ref state, slot, NullableFlowState.NotNull); 6056if (GetState(ref state, slot) == NullableFlowState.NotNull) 6088SetState(ref state, childSlot, NullableFlowState.NotNull); 6167SetState(ref this.State, leftSlot, NullableFlowState.NotNull); 6222BoundNullCoalescingOperatorResultKind.NoCommonType => (node.Type, NullableFlowState.NotNull), 6227BoundNullCoalescingOperatorResultKind.RightDynamicType => (rightResultType!, NullableFlowState.NotNull), 6245return (rightType, NullableFlowState.NotNull); 6251return (leftType, NullableFlowState.NotNull); 6266TypeWithState.Create(leftType, NullableFlowState.NotNull), 6277return (rightType, NullableFlowState.NotNull); 6773SetResultType(node, TypeWithState.Create(rvalueType, NullableFlowState.NotNull)); 7310return NullableFlowState.NotNull; 7444return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8058SetState(ref state, memberSlot, NullableFlowState.NotNull); 8509return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8528return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 8547return TypeWithState.Create(typeWithState.Type, NullableFlowState.NotNull); 9391SetResultType(node, TypeWithState.Create(null, NullableFlowState.NotNull)); 9398SetState(ref this.State, slot, NullableFlowState.NotNull); 9416SetResultType(node, TypeWithState.Create(tupleOpt, NullableFlowState.NotNull)); 9539SetState(ref this.State, targetFieldSlot, NullableFlowState.NotNull); 9556SetState(ref this.State, targetFieldSlot, NullableFlowState.NotNull); 9851NullableFlowState resultState = NullableFlowState.NotNull; 9883resultState = NullableFlowState.NotNull; 9908return TypeWithState.Create(targetType, NullableFlowState.NotNull); 9914resultState = NullableFlowState.NotNull; 9918resultState = NullableFlowState.NotNull; 9923resultState = NullableFlowState.NotNull; 9983resultState = NullableFlowState.NotNull; 10145resultState = NullableFlowState.NotNull; 10218resultState = NullableFlowState.NotNull; 10442var resultType = TypeWithState.Create(targetType, NullableFlowState.NotNull); 10594var resultType = TypeWithState.Create(targetTypeWithNullability.Type, NullableFlowState.NotNull); 10681unionTypeWithState = TypeWithState.Create(toType, NullableFlowState.NotNull); 10892var result = TypeWithState.Create(delegateType, NullableFlowState.NotNull); 11189var rvalueResult = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 11608var valueBeforeNullableWrapping = TypeWithState.Create(underlyingType.Type, NullableFlowState.NotNull); 11741SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11765SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 11934SetResultType(node, TypeWithState.Create(receiverType.Type, NullableFlowState.NotNull)); 11962SetResultType(node, TypeWithState.Create(opType.Type, NullableFlowState.NotNull)); 12303SetState(ref this.StateWhenTrue, slotToSet, NullableFlowState.NotNull); 12525if (enumeratorReturnType.State != NullableFlowState.NotNull) 12596var state = NullableFlowState.NotNull; 12800TypeWithState.Create(node.Type, node.OperatorKind.IsLifted() ? argumentResult.State : NullableFlowState.NotNull); 13066SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 13103SetState(ref this.State, slot, NullableFlowState.NotNull); 13149NullableFlowState resultState = NullableFlowState.NotNull; 13202SetResultType(node, TypeWithState.Create(node.Type, node.Type?.CanContainNull() != false && node.ConstantValueOpt?.IsNull == true ? NullableFlowState.MaybeDefault : NullableFlowState.NotNull)); 13486SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 13501SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 13550SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 13556SetResultType(node, TypeWithState.Create(type, NullableFlowState.NotNull)); 13624SetState(ref this.State, slot, NullableFlowState.NotNull); 13766Debug.Assert(ResultType is TypeWithState { Type: FunctionPointerTypeSymbol { }, State: NullableFlowState.NotNull }); 14072SetValue(Id, index, useNotNullsAsDefault ? NullableFlowState.NotNull : walker.GetDefaultState(ref this, slot)); 14104return NullableFlowState.NotNull; 14113(false, false) => NullableFlowState.NotNull, // Should not be reachable 14116(true, true) => NullableFlowState.NotNull 14145NullableFlowState.NotNull => (true, true), 14199var oldValue = oldReachable ? GetValue(i) : NullableFlowState.NotNull;

464SetState(ref State, outputSlot, NullableFlowState.NotNull); 516SetState(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;