{"blog_url":"https://yohhoy.hatenadiary.jp/","version":"1.0","provider_url":"https://hatena.blog","type":"rich","published":"2018-06-09 00:00:00","author_url":"https://blog.hatena.ne.jp/yohhoy/","url":"https://yohhoy.hatenadiary.jp/entry/20180609/p1","author_name":"yohhoy","description":"C++2a(C++20)\u8a00\u8a9e\u4ed5\u69d8\u3067\u306f \u6761\u4ef6\u4ed8\u304dexplicit\u6307\u5b9a\u5b50 \u304c\u8ffd\u52a0\u3055\u308c\u3001pair\u3084tuple\u306a\u3069\u306e\u578bT\u3092\u5024\u4fdd\u6301\u3059\u308b\u30af\u30e9\u30b9\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u304a\u3044\u3066\u3001\u578bT\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u5b9f\u88c5\u6642\u306eexplicit\u6027\u7d99\u627f\uff08\u2192id:yohhoy:20150416\uff09\u304c\u5bb9\u6613\u306b\u306a\u308b\u3002 // C++17\u4ed5\u69d8 template <typename T1, typename T2> struct pair { // non-explicit\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf template <typename U1=T1, typename U2=T2, std::enable_if_t< std::is_constructible_v<T1,\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohhoy.hatenadiary.jp%2Fentry%2F20180609%2Fp1\" title=\"\u6761\u4ef6\u4ed8\u304dexplicit\u6307\u5b9a\u5b50 - 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>","title":"\u6761\u4ef6\u4ed8\u304dexplicit\u6307\u5b9a\u5b50","blog_title":"yohhoy\u306e\u65e5\u8a18","categories":["C++","C++2a"],"image_url":null,"width":"100%","height":"190","provider_name":"Hatena Blog"}