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aaa7c7eb05
Uses the usual pattern of two `ReferenceEquals` checks against `this` and `null` before proceeding to inspect field values. Doing this causes the compiler to infer that at the point that field values are checked, `other` can no longer viably be `null`.
38 lines
1.1 KiB
C#
38 lines
1.1 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Collections.Generic;
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using System.Diagnostics.CodeAnalysis;
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using System.Linq;
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using MessagePack;
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using osu.Game.Online.API;
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namespace osu.Game.Online.Spectator
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{
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[Serializable]
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[MessagePackObject]
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public class SpectatorState : IEquatable<SpectatorState>
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{
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[Key(0)]
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public int? BeatmapID { get; set; }
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[Key(1)]
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public int? RulesetID { get; set; }
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[NotNull]
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[Key(2)]
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public IEnumerable<APIMod> Mods { get; set; } = Enumerable.Empty<APIMod>();
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public bool Equals(SpectatorState other)
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{
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if (ReferenceEquals(null, other)) return false;
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if (ReferenceEquals(this, other)) return true;
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return BeatmapID == other.BeatmapID && Mods.SequenceEqual(other.Mods) && RulesetID == other.RulesetID;
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}
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public override string ToString() => $"Beatmap:{BeatmapID} Mods:{string.Join(',', Mods)} Ruleset:{RulesetID}";
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}
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}
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