Gabriel Kaszewski
9767941c65
Lives (floors at zero, exhaustion observable), LevelId, SkillId, PlaythroughId (never self-generates, keeps tests deterministic), StatName enum, LevelTime rejects NaN/infinity. 14 tests. Arithmetic/comparison members deferred to the slices whose behaviour needs them rather than added speculatively.
22 lines
911 B
C#
22 lines
911 B
C#
namespace Mr.BrickAdventures.Progression;
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/// <summary>
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/// Stable identity of a Level. Never a position in a list — Playthroughs and Best Times both
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/// reference Levels, so ids must survive inserting and reordering.
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/// </summary>
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public readonly struct LevelId : IEquatable<LevelId>
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{
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public string Value { get; }
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private LevelId(string value) => Value = value;
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public static LevelId Of(string value) => string.IsNullOrWhiteSpace(value)
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? throw new ArgumentException("A level id cannot be blank.", nameof(value))
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: new LevelId(value);
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public bool Equals(LevelId other) => string.Equals(Value, other.Value, StringComparison.Ordinal);
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public override bool Equals(object? obj) => obj is LevelId other && Equals(other);
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public override int GetHashCode() => StringComparer.Ordinal.GetHashCode(Value ?? string.Empty);
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public override string ToString() => Value;
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}
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