lohlan https://blog.hatena.ne.jp/lohlan/ 誰も見ませんように(・`ω・´) (`・ω´・) https://lohlan.hatenadiary.org/ C# effective C# public class Foo : IEquatable<Foo> { public override bool Equals(object other) { // nullチェック if (object.ReferenceEquals.(other, null)) { return false; } if (object.ReferenceEquals(this, other)) { return true; } if (this.GetType() != other.GetType()) { return false; } return Equals((Foo)other); } #re… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Flohlan.hatenadiary.org%2Fentry%2F20150830%2F1440896451" title="Equals()のオーバーライド - 誰も見ませんように(・`ω・´) (`・ω´・)" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2015-08-30 10:00:51 rich https://lohlan.hatenadiary.org/entry/20150830/1440896451 1.0 100%