25public NullabilityInfo Nullability { get; } 38public NullabilityInfo ConvertedNullability { get; } 40internal TypeInfo(ITypeSymbol? type, ITypeSymbol? convertedType, NullabilityInfo nullability, NullabilityInfo convertedNullability)

12public readonly struct NullabilityInfo : IEquatable<NullabilityInfo> 37other is NullabilityInfo info && Equals(info); 42public bool Equals(NullabilityInfo other) =>

138public new NullabilityInfo TopLevelNullability

224protected NullabilityInfo TopLevelNullability 273private NullabilityInfo TopLevelNullabilityCore

94bool foundInfo = _updatedNullabilities.TryGetValue(currentBinary, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType); 216if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType))

966var nullabilityInfo = annotation.ToNullabilityInfo(declarationTypeSymbol); 2056NullabilityInfo nullability = boundExpr.TopLevelNullability; 2096NullabilityInfo convertedNullability; 2274static (TypeSymbol, NullabilityInfo) getTypeAndNullability(BoundExpression expr) => (expr.Type, expr.TopLevelNullability);

25public readonly NullabilityInfo Nullability; 33public readonly NullabilityInfo ConvertedNullability; 41internal CSharpTypeInfo(TypeSymbol type, TypeSymbol convertedType, NullabilityInfo nullability, NullabilityInfo convertedNullability, Conversion implicitConversion)

222private readonly ImmutableDictionary<BoundExpression, (NullabilityInfo Info, TypeSymbol? Type)>.Builder? _analyzedNullabilityMapOpt; 467ImmutableDictionary<BoundExpression, (NullabilityInfo, TypeSymbol?)>.Builder? analyzedNullabilityMapOpt, 1585ImmutableDictionary<BoundExpression, (NullabilityInfo, TypeSymbol?)> analyzedNullabilitiesMap; 1590private static (SnapshotManager?, ImmutableDictionary<BoundExpression, (NullabilityInfo, TypeSymbol?)>) AnalyzeWithSemanticInfo( 1600var analyzedNullabilities = ImmutableDictionary.CreateBuilder<BoundExpression, (NullabilityInfo, TypeSymbol?)>(EqualityComparer<BoundExpression>.Default, NullabilityInfoTypeComparer.Instance); 1658var analyzedNullabilities = ImmutableDictionary.CreateBuilder<BoundExpression, (NullabilityInfo, TypeSymbol?)>(EqualityComparer<BoundExpression>.Default, NullabilityInfoTypeComparer.Instance); 1698private static BoundNode Rewrite(ImmutableDictionary<BoundExpression, (NullabilityInfo, TypeSymbol?)> updatedNullabilities, SnapshotManager? snapshotManager, BoundNode node, ref ImmutableDictionary<Symbol, Symbol>? remappedSymbols) 1824ImmutableDictionary<BoundExpression, (NullabilityInfo, TypeSymbol?)>.Builder? analyzedNullabilityMapOpt, 13089private sealed class NullabilityInfoTypeComparer : IEqualityComparer<(NullabilityInfo info, TypeSymbol? type)> 13093public bool Equals((NullabilityInfo info, TypeSymbol? type) x, (NullabilityInfo info, TypeSymbol? type) y) 13099public int GetHashCode((NullabilityInfo info, TypeSymbol? type) obj)

21private readonly ImmutableDictionary<BoundExpression, (NullabilityInfo Info, TypeSymbol? Type)> _analyzedNullabilityMap; 26private DebugVerifier(ImmutableDictionary<BoundExpression, (NullabilityInfo Info, TypeSymbol? Type)> analyzedNullabilityMap, SnapshotManager? snapshotManager) 37public static void Verify(ImmutableDictionary<BoundExpression, (NullabilityInfo Info, TypeSymbol? Type)> analyzedNullabilityMap, SnapshotManager? snapshotManagerOpt, BoundNode node)

12404private readonly ImmutableDictionary<BoundExpression, (NullabilityInfo Info, TypeSymbol? Type)> _updatedNullabilities; 12408public NullabilityRewriter(ImmutableDictionary<BoundExpression, (NullabilityInfo Info, TypeSymbol? Type)> updatedNullabilities, NullableWalker.SnapshotManager? snapshotManager, ImmutableDictionary<Symbol, Symbol>.Builder remappedSymbols) 12441if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12456if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12473if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12487if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12499if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12511if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12523if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12535if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12547if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12559if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12571if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12583if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12595if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12607if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12622if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12640if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12658if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12672if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12684if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12702if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12726if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12743if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12760if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12778if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12795if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12813if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12831if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12849if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12866if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12883if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12901if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12920if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12938if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12961if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12979if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12997if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13017if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13035if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13054if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13074if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13092if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13109if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13126if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13153if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13171if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13188if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13206if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13224if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13238if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13250if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13262if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13274if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13286if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13298if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13310if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13322if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13338if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13356if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13370if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13385if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13403if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13423if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13440if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13457if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13475if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13489if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13504if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13525if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13660if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13672if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13684if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13696if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13708if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13720if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13735if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13752if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13770if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13787if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13801if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13827if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13847if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13922if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13941if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13960if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13977if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13996if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14014if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14034if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14048if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14064if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14084if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14102if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14122if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14141if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14160if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14177if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14197if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14214if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14237if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14251if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14266if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14284if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14303if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14320if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14338if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14357if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14374if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14392if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14411if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14430if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14444if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14461if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14478if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14495if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14513if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14531if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14548if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14567if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14586if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14604if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14621if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14639if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14657if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14677if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14695if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14714if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14733if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14750if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14771if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14788if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14805if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14822if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14836if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14848if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14865if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14884if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 15018if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 15033if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 15051if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 15069if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 15086if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 15112if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 15131if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType))

91internal static NullabilityInfo ToNullabilityInfo(this CodeAnalysis.NullableAnnotation annotation, TypeSymbol type) 102internal static NullabilityInfo ToNullabilityInfo(this NullableAnnotation annotation, TypeSymbol type)

22var notNullable = new NullabilityInfo(CodeAnalysis.NullableAnnotation.NotAnnotated, CodeAnalysis.NullableFlowState.NotNull); 23var nullable = new NullabilityInfo(CodeAnalysis.NullableAnnotation.Annotated, CodeAnalysis.NullableFlowState.MaybeNull);

1216var nullable = new NullabilityInfo(PublicNullableAnnotation.Annotated, PublicNullableFlowState.MaybeNull); 1217var notNullable = new NullabilityInfo(PublicNullableAnnotation.NotAnnotated, PublicNullableFlowState.NotNull); 1265var notNull = new NullabilityInfo(PublicNullableAnnotation.NotAnnotated, PublicNullableFlowState.NotNull); 1266var @null = new NullabilityInfo(PublicNullableAnnotation.Annotated, PublicNullableFlowState.MaybeNull);

211public NullabilityInfo Nullability; 213public NullabilityInfo ConvertedNullability;

18assertEqualsAndHashCode(default(NullabilityInfo), default(NullabilityInfo), equal: true); 31void assertEqualsAndHashCode(NullabilityInfo n1, NullabilityInfo n2, bool equal)