{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohhoy.hatenadiary.jp%2Fentry%2F20150831%2Fp1\" title=\"where\u7bc0\u3067\u3057\u304b\u8a18\u8ff0\u3067\u304d\u306a\u3044\u578b\u5236\u7d04 - yohhoy\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","type":"rich","published":"2015-08-31 00:00:00","version":"1.0","url":"https://yohhoy.hatenadiary.jp/entry/20150831/p1","title":"where\u7bc0\u3067\u3057\u304b\u8a18\u8ff0\u3067\u304d\u306a\u3044\u578b\u5236\u7d04","image_url":null,"categories":["Rust"],"author_url":"https://blog.hatena.ne.jp/yohhoy/","blog_url":"https://yohhoy.hatenadiary.jp/","description":"Rust\u8a00\u8a9e\u306e\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u95a2\u6570(generic function)\u3067\u306f\u3001\u30c8\u30ec\u30a4\u30c8(trait)\u3092\u7528\u3044\u3066\u578b\u30d1\u30e9\u30e1\u30fc\u30bf(parameterized types)\u306e\u5236\u7d04(bounds)\u3092\u8868\u73fe\u3067\u304d\u308b\u3002\u3053\u308c\u306b\u306f2\u7a2e\u985e\u306e\u8a18\u8ff0\u65b9\u5f0f\u304c\u5b58\u5728\u3059\u308b\u304c\u3001where\u7bc0\u3067\u306e\u307f\u8868\u73fe\u53ef\u80fd\u306a\u578b\u5236\u7d04\u304c\u3042\u308b\u3002\u4e0b\u8a18\u306e\u3088\u3046\u306b\u3001\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u95a2\u6570\u306e\u578b\u30d1\u30e9\u30e1\u30fc\u30bf(T\u3068U)\u306b\u5bfe\u3059\u308b\u76f4\u63a5\u7684\u306a\u5236\u7d04\u306a\u3089\u3070\u3001\u3044\u305a\u308c\u306e\u8a18\u8ff0\u65b9\u5f0f\u3092\u7528\u3044\u3066\u3082\u7b49\u4fa1\u3002\u5358\u306b\u597d\u307f\u3084\u53ef\u8aad\u6027\u306e\u9ad8\u3044\u65b9\u3092\u9078\u629e\u3059\u308c\u3070\u3088\u3044\u3002 trait X { } // \u30c8\u30ec\u30a4\u30c8X trait Y { } // \u30c8\u30ec\u30a4\u30c8Y // \u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u3078\u306e\u76f4\u63a5\u8a18\u8ff0 fn func<T: X, U: Y>(t: &T, \u2026","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","height":"190","blog_title":"yohhoy\u306e\u65e5\u8a18","author_name":"yohhoy"}