{"title":"C++23\u8a18\u4e8b\u306e\u8a02\u6b63 : enumerate\u306e\u4f7f\u3044\u65b9\u304c\u9593\u9055\u3063\u3066\u3044\u307e\u3057\u305f","author_name":"faith_and_brave","description":"2023\u5e742\u670817\u65e5\u767a\u58f2\u306e\u300eSoftware Design 2023\u5e743\u6708\u53f7\u300f\u306b\u66f8\u3044\u305fC++23\u8a18\u4e8b\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306bviews::enumerate\u306e\u4f8b\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u304c\u3001 for (auto x : enumerate(v)) { println(\"{} {}\", x.index, x.value); } x\u306e\u578b\u306f\u5b9f\u969b\u306b\u306ftuple<difference_type, T>\u3068\u306a\u308b\u4e88\u5b9a\u306a\u306e\u3067\u3001index/value\u30e1\u30f3\u30d0\u5909\u6570\u306f\u3082\u3063\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3053\u306e\u30b3\u30fc\u30c9\u306f\u9593\u9055\u3044\u3067\u3057\u305f\u3002 \u57fa\u672c\u7684\u306b\u69cb\u9020\u5316\u675f\u7e1b\u3067\u4f7f\u3046\u3053\u3068\u306b\u306a\u308a\u305d\u3046\u3067\u3059\u3002 for (auto [index, value] : enumerate(v\u2026","author_url":"https://blog.hatena.ne.jp/faith_and_brave/","image_url":null,"type":"rich","published":"2023-02-16 11:06:24","version":"1.0","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffaithandbrave.hateblo.jp%2Fentry%2F2023%2F02%2F16%2F110624\" title=\"C++23\u8a18\u4e8b\u306e\u8a02\u6b63 : enumerate\u306e\u4f7f\u3044\u65b9\u304c\u9593\u9055\u3063\u3066\u3044\u307e\u3057\u305f - Faith and Brave - C++\u3067\u904a\u307c\u3046\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://faithandbrave.hateblo.jp/entry/2023/02/16/110624","categories":["C++"],"blog_title":"Faith and Brave - C++\u3067\u904a\u307c\u3046","width":"100%","height":"190","blog_url":"https://faithandbrave.hateblo.jp/","provider_name":"Hatena Blog"}