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))

965var nullabilityInfo = annotation.ToNullabilityInfo(declarationTypeSymbol); 2047NullabilityInfo nullability = boundExpr.TopLevelNullability; 2087NullabilityInfo convertedNullability; 2265static (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)

216private readonly ImmutableDictionary<BoundExpression, (NullabilityInfo Info, TypeSymbol? Type)>.Builder? _analyzedNullabilityMapOpt; 460ImmutableDictionary<BoundExpression, (NullabilityInfo, TypeSymbol?)>.Builder? analyzedNullabilityMapOpt, 1497ImmutableDictionary<BoundExpression, (NullabilityInfo, TypeSymbol?)> analyzedNullabilitiesMap; 1502private static (SnapshotManager?, ImmutableDictionary<BoundExpression, (NullabilityInfo, TypeSymbol?)>) AnalyzeWithSemanticInfo( 1512var analyzedNullabilities = ImmutableDictionary.CreateBuilder<BoundExpression, (NullabilityInfo, TypeSymbol?)>(EqualityComparer<BoundExpression>.Default, NullabilityInfoTypeComparer.Instance); 1569var analyzedNullabilities = ImmutableDictionary.CreateBuilder<BoundExpression, (NullabilityInfo, TypeSymbol?)>(EqualityComparer<BoundExpression>.Default, NullabilityInfoTypeComparer.Instance); 1608private static BoundNode Rewrite(ImmutableDictionary<BoundExpression, (NullabilityInfo, TypeSymbol?)> updatedNullabilities, SnapshotManager? snapshotManager, BoundNode node, ref ImmutableDictionary<Symbol, Symbol>? remappedSymbols) 1730ImmutableDictionary<BoundExpression, (NullabilityInfo, TypeSymbol?)>.Builder? analyzedNullabilityMapOpt, 12651private sealed class NullabilityInfoTypeComparer : IEqualityComparer<(NullabilityInfo info, TypeSymbol? type)> 12655public bool Equals((NullabilityInfo info, TypeSymbol? type) x, (NullabilityInfo info, TypeSymbol? type) y) 12661public 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)

12218private readonly ImmutableDictionary<BoundExpression, (NullabilityInfo Info, TypeSymbol? Type)> _updatedNullabilities; 12222public NullabilityRewriter(ImmutableDictionary<BoundExpression, (NullabilityInfo Info, TypeSymbol? Type)> updatedNullabilities, NullableWalker.SnapshotManager? snapshotManager, ImmutableDictionary<Symbol, Symbol>.Builder remappedSymbols) 12255if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12270if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12287if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12301if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12313if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12325if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12337if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12349if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12361if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12373if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12385if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12397if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12409if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12421if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12436if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12454if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12472if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12486if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12498if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12516if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12540if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12557if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12574if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12592if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12609if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12627if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12645if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12663if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12680if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12697if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12715if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12734if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12752if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12775if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12793if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12811if (_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)) 12868if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12888if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12906if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12923if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12940if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12967if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12985if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13002if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13020if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13038if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13052if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13064if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13076if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13088if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13100if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13112if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13124if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13136if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13152if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13170if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13184if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13199if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13217if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13237if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13254if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13272if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13290if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13304if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13319if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13340if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13475if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13487if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13499if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13511if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13523if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13535if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13550if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13567if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13585if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13602if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13616if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13642if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13662if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13737if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13756if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13775if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13792if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13811if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13829if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13849if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13863if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13879if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13899if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13917if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13937if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13956if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13975if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13992if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14012if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14029if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14052if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14066if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14081if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14099if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14118if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14135if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14153if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14172if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14189if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14207if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14226if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14245if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14259if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14276if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14293if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14310if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14328if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14346if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14363if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14382if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14401if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14419if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14436if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14454if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14472if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14492if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14510if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14529if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14548if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14565if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14586if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14603if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14620if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14637if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14651if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14663if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14680if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14699if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14833if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14848if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14866if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14884if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14901if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14927if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14946if (_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)