{"author_url":"https://blog.hatena.ne.jp/lpha_z/","type":"rich","height":"190","image_url":null,"provider_name":"Hatena Blog","width":"100%","categories":[],"blog_title":"\u3088\u30fc\u308b","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Flpha-z.hatenablog.com%2Fentry%2F2020%2F05%2F03%2F231500\" title=\"0\u304b\u3089N-1\u307e\u3067\u306e\u6570\u304c\u5165\u3063\u305f\u914d\u5217 - \u3088\u30fc\u308b\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://lpha-z.hatenablog.com/","author_name":"lpha_z","title":"0\u304b\u3089N-1\u307e\u3067\u306e\u6570\u304c\u5165\u3063\u305f\u914d\u5217","provider_url":"https://hatena.blog","version":"1.0","url":"https://lpha-z.hatenablog.com/entry/2020/05/03/231500","description":"\u4eca\u307e\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u4f5c\u3063\u3066\u3044\u307e\u3057\u305f\u304c\u3001 template<std::size_t... Indeces> constexpr auto make_iota_impl( std::index_sequence<Indeces...> ) { return std::array { Indeces... }; } template<std::size_t N> constexpr auto make_iota() { return make_iota_impl( std::make_index_sequence<N>() ); } C++20\u3067\u306fstd::iota\u304cconstexpr\u5bfe\u5fdc\u3057\u305f\u306e\u3067\u3001\u2026","published":"2020-05-03 23:15:00"}