{"author_name":"potisan","categories":["C++","STL"],"provider_url":"https://hatena.blog","version":"1.0","blog_title":"potisan\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e1\u30e2","url":"https://potisan-programming-memo.hatenablog.jp/entry/2020/11/18/231213","published":"2020-11-18 23:12:13","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpotisan-programming-memo.hatenablog.jp%2Fentry%2F2020%2F11%2F18%2F231213\" title=\"C++20 \u30ec\u30f3\u30b8\u306b\u3064\u3044\u3066\u8abf\u3079\u305f\u3053\u3068 - potisan\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e1\u30e2\" 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,"height":"190","provider_name":"Hatena Blog","title":"C++20 \u30ec\u30f3\u30b8\u306b\u3064\u3044\u3066\u8abf\u3079\u305f\u3053\u3068","type":"rich","blog_url":"https://potisan-programming-memo.hatenablog.jp/","width":"100%","author_url":"https://blog.hatena.ne.jp/potisan/","description":"C++20\u306e\u30ec\u30f3\u30b8\u306b\u3064\u3044\u3066\u8abf\u3079\u305f\u3053\u3068\u306e\u899a\u3048\u66f8\u304d\u3067\u3059\u3002 \u3053\u3053\u3067\u6271\u3046\u30ec\u30f3\u30b8 \u3053\u3053\u3067\u306f<ranges>\u30d8\u30c3\u30c0\u30fc\u3067\u5b9a\u7fa9\u3055\u308c\u308bstd::ranges::range<T>\u30b3\u30f3\u30bb\u30d7\u30c8\u3092\u6e80\u305f\u3059\u578b\u3092\u30ec\u30f3\u30b8\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002range<T>\u306e\u8981\u4ef6\u306f\u578bT\u306e\u5909\u6570t\u306b\u5bfe\u3057\u3066std::ranges::begin(t)\u3068std::ranges::end(t)\u304c\u5b9a\u7fa9\u3055\u308c\u308b\u3053\u3068\u3060\u3051\u3067\u3059\u3002 range\u306b\u8981\u4ef6\u3092\u52a0\u3048\u305f\u30b3\u30f3\u30bb\u30d7\u30c8\u3068\u3057\u3066common_range\u3084forward_range\u7b49\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u578b\u304c\u30ec\u30f3\u30b8\u304b\u78ba\u8a8d\u3059\u308b\u3002 std::ranges::range<T>\u30b3\u30f3\u30bb\u30d7\u30c8\u306f\u578b\u304c\u8981\u4ef6\u3092\u6e80\u305f\u3059\u306a\u3089true\u3001\u6e80\u305f\u3055\u306a\u3044\u306a\u3089fal\u2026"}