{"image_url":null,"provider_url":"https://hatena.blog","author_name":"yohhoy","blog_url":"https://yohhoy.hatenadiary.jp/","categories":["C++"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohhoy.hatenadiary.jp%2Fentry%2F20170719%2Fp1\" title=\"std::string\u3068\u30ea\u30b9\u30c8\u521d\u671f\u5316\u306e\u5c0f\u3055\u306a\u7f60 - 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>","published":"2017-07-19 00:00:00","blog_title":"yohhoy\u306e\u65e5\u8a18","width":"100%","provider_name":"Hatena Blog","version":"1.0","description":"C++\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6587\u5b57\u5217\u578bstd::string\u3068\u3001\u30ea\u30b9\u30c8\u521d\u671f\u5316(list initialization)\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308b\u843d\u3068\u3057\u7a74\u30022\u500b\u306e\u6587\u5b57\u5217\u30ea\u30c6\u30e9\u30eb\u306b\u3088\u308bstd::string\u306e\u30ea\u30b9\u30c8\u521d\u671f\u5316\u306f\u3001\u307b\u3068\u3093\u3069\u306eC++\u51e6\u7406\u7cfb\u306b\u304a\u3044\u3066\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u306f\u554f\u984c\u691c\u77e5\u3055\u308c\u306a\u3044\u304c*1\u3001\u5b9f\u884c\u6642\u306b\u672a\u5b9a\u7fa9\u52d5\u4f5c(undefined behavior)\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002 #include <string> std::string s1 = { \"abc\" }; // OK: s1 == \"abc\" std::string s2 = { \"abc\", \"xyz\" }; // NG: \u672a\u5b9a\u7fa9\u52d5\u4f5c std::string\u306e\u53b3\u2026","title":"std::string\u3068\u30ea\u30b9\u30c8\u521d\u671f\u5316\u306e\u5c0f\u3055\u306a\u7f60","type":"rich","height":"190","url":"https://yohhoy.hatenadiary.jp/entry/20170719/p1","author_url":"https://blog.hatena.ne.jp/yohhoy/"}