{"author_url":"https://blog.hatena.ne.jp/faith_and_brave/","version":"1.0","height":"190","type":"rich","provider_url":"https://hatena.blog","author_name":"faith_and_brave","url":"https://faithandbrave.hateblo.jp/entry/2018/05/23/181643","provider_name":"Hatena Blog","width":"100%","blog_title":"Faith and Brave - C++\u3067\u904a\u307c\u3046","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffaithandbrave.hateblo.jp%2Fentry%2F2018%2F05%2F23%2F181643\" title=\"\u6587\u5b57\u5217\u9023\u7d50 - 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>","image_url":null,"categories":["C++"],"title":"\u6587\u5b57\u5217\u9023\u7d50","blog_url":"https://faithandbrave.hateblo.jp/","published":"2018-05-23 18:16:43","description":"char\u914d\u5217\u3001char\u3001std::string\u306e\u4efb\u610f\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u9023\u7d50\u3059\u308b\u95a2\u6570\u3092\u66f8\u304d\u307e\u3057\u305f\u3002\u30e1\u30e2\u30ea\u78ba\u4fdd\u3092\u4e00\u56de\u3060\u3051\u3057\u307e\u3059\u3002 C++17\u306e\u7573\u307f\u8fbc\u307f\u5f0f\u3067\u3001\u5168\u4f53\u306e\u6587\u5b57\u5217\u9577\u3092\u8a08\u7b97\u3057\u3066\u3044\u307e\u3059\u3002 #include <string> #include <cstring> #include <utility> std::size_t string_length(const std::string& s) noexcept { return s.size(); } std::size_t string_length(const char* s) noexcept { return std::strlen(s); \u2026"}