質問編集履歴
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コードミス
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File without changes
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@@ -3,7 +3,7 @@
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```c#
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public record Sample(string Id, string Address);
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public Comp : IEqualityComparer<Sample>
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public class Comp : IEqualityComparer<Sample>
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{
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public bool (Sample? x, Sample? y) => x?.Address == y?.Address;
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public int GetHashCode([DisallowNull] Sample obj) => obj.GetHashCode();
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