{"blog_title":"yohhoy\u306e\u65e5\u8a18","description":"C++\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea <type_traits> \u30d8\u30c3\u30c0\u63d0\u4f9b\u306e\u771f\u507d\u5024\u3092\u8fd4\u3059\u30e1\u30bf\u95a2\u6570\u306b\u304a\u3044\u3066\u3001is_xxx<T>{}\u306e\u3088\u3046\u306a\u771f\u507d\u5024\u5909\u63db\uff08\u2192id:yohhoy:20121207\uff09\u306f\u9069\u5207\u3067\u306a\u3044\u30b1\u30fc\u30b9\u304c\u3042\u308b\u3002\u7d20\u76f4\u306bis_xxx<T>::value\u3067\u771f\u507d\u5024\u3092\u53d6\u308a\u51fa\u3059\u304b\u3001C++1z(C++17)\u3067\u8ffd\u52a0\u3055\u308c\u308b\u5909\u6570\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u7248\u30e1\u30bf\u95a2\u6570is_xxx_v<T>\u306e\u5229\u7528\u304c\u671b\u307e\u3057\u3044\u3002C++1z\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30eaconjunction, disjunction\u30e1\u30bf\u95a2\u6570\u3067\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u306e\u77ed\u7d61\u8a55\u4fa1\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u304c\u3001is_xxx<T>{}\u65b9\u5f0f\u3067\u306f\u671f\u5f85\u901a\u308a\u306b\u77ed\u7d61\u8a55\u4fa1\u304c\u6a5f\u80fd\u3057\u306a\u304f\u306a\u308b\u3002\u4f8b\u793a\u3068\u3057\u3066 id:yohhoy:2017110\u2026","type":"rich","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohhoy.hatenadiary.jp%2Fentry%2F20171110%2Fp1\" title=\"\u771f\u507d\u5024\u3092\u8fd4\u3059\u30e1\u30bf\u95a2\u6570\u5229\u7528\u4e0a\u306e\u6ce8\u610f - 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>","image_url":null,"published":"2017-11-10 00:00:00","provider_url":"https://hatena.blog","blog_url":"https://yohhoy.hatenadiary.jp/","categories":["C++","C++1z"],"height":"190","title":"\u771f\u507d\u5024\u3092\u8fd4\u3059\u30e1\u30bf\u95a2\u6570\u5229\u7528\u4e0a\u306e\u6ce8\u610f","version":"1.0","author_url":"https://blog.hatena.ne.jp/yohhoy/","provider_name":"Hatena Blog","url":"https://yohhoy.hatenadiary.jp/entry/20171110/p1","author_name":"yohhoy"}