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, 1560ImmutableDictionary<BoundExpression, (NullabilityInfo, TypeSymbol?)> analyzedNullabilitiesMap; 1565private static (SnapshotManager?, ImmutableDictionary<BoundExpression, (NullabilityInfo, TypeSymbol?)>) AnalyzeWithSemanticInfo( 1575var analyzedNullabilities = ImmutableDictionary.CreateBuilder<BoundExpression, (NullabilityInfo, TypeSymbol?)>(EqualityComparer<BoundExpression>.Default, NullabilityInfoTypeComparer.Instance); 1632var analyzedNullabilities = ImmutableDictionary.CreateBuilder<BoundExpression, (NullabilityInfo, TypeSymbol?)>(EqualityComparer<BoundExpression>.Default, NullabilityInfoTypeComparer.Instance); 1671private static BoundNode Rewrite(ImmutableDictionary<BoundExpression, (NullabilityInfo, TypeSymbol?)> updatedNullabilities, SnapshotManager? snapshotManager, BoundNode node, ref ImmutableDictionary<Symbol, Symbol>? remappedSymbols) 1793ImmutableDictionary<BoundExpression, (NullabilityInfo, TypeSymbol?)>.Builder? analyzedNullabilityMapOpt, 12723private sealed class NullabilityInfoTypeComparer : IEqualityComparer<(NullabilityInfo info, TypeSymbol? type)> 12727public bool Equals((NullabilityInfo info, TypeSymbol? type) x, (NullabilityInfo info, TypeSymbol? type) y) 12733public 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)

12252private readonly ImmutableDictionary<BoundExpression, (NullabilityInfo Info, TypeSymbol? Type)> _updatedNullabilities; 12256public NullabilityRewriter(ImmutableDictionary<BoundExpression, (NullabilityInfo Info, TypeSymbol? Type)> updatedNullabilities, NullableWalker.SnapshotManager? snapshotManager, ImmutableDictionary<Symbol, Symbol>.Builder remappedSymbols) 12289if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12304if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12321if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12335if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12347if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12359if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12371if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12383if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12395if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12407if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12419if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12431if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12443if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12455if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12470if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12488if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12506if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12520if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12532if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12550if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12574if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12591if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12608if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12626if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12643if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12661if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12679if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12697if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12714if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12731if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12749if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12768if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12786if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12809if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12827if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12845if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12865if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12883if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12902if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12922if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12940if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12957if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 12974if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13001if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13019if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13036if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13054if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13072if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13086if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13098if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13110if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13122if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13134if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13146if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13158if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13170if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13186if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13204if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13218if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13233if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13251if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13271if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13288if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13305if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13323if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13337if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13352if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13373if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13508if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13520if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13532if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13544if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13556if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13568if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13583if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13600if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13618if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13635if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13649if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13675if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13695if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13770if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13789if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13808if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13825if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13844if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13862if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13882if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13896if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13912if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13932if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13950if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13970if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 13989if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14008if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14025if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14045if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14062if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14085if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14099if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14114if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14132if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14151if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14168if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14186if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14205if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14222if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14240if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14259if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14278if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14292if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14309if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14326if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14343if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14361if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14379if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14396if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14415if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14434if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14452if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14469if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14487if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14505if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14525if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14543if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14562if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14581if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14598if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14619if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14636if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14653if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14670if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14684if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14696if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14713if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14732if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14866if (!_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14881if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14899if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14917if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14934if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14960if (_updatedNullabilities.TryGetValue(node, out (NullabilityInfo Info, TypeSymbol? Type) infoAndType)) 14979if (_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)