{"url":"https://yohhoy.hatenadiary.jp/entry/20180204/p1","blog_url":"https://yohhoy.hatenadiary.jp/","provider_name":"Hatena Blog","categories":["C++"],"blog_title":"yohhoy\u306e\u65e5\u8a18","author_name":"yohhoy","version":"1.0","width":"100%","author_url":"https://blog.hatena.ne.jp/yohhoy/","published":"2018-02-04 00:00:00","type":"rich","title":"\u30b9\u30c8\u30ea\u30fc\u30e0\u5165\u51fa\u529b\u3068\u8a55\u4fa1\u9806\u898f\u5b9a\u306e\u53b3\u683c\u5316","height":"190","description":"\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9eC++\u306b\u304a\u3051\u308b\u8a55\u4fa1\u9806\u898f\u5b9a\u306e\u5909\u9077\u306b\u3064\u3044\u3066\u30e1\u30e2\u3002\u672c\u8a18\u4e8b\u3067\u306f\u30b9\u30c8\u30ea\u30fc\u30e0\u633f\u5165(\u51fa\u529b)\u6f14\u7b97\u5b50<<\u306e\u307f\u3092\u6271\u3046\u304c\u3001\u30b9\u30c8\u30ea\u30fc\u30e0\u62bd\u51fa(\u5165\u529b)\u6f14\u7b97\u5b50>>\u306b\u3082\u540c\u69d8\u306b\u9069\u7528\u3055\u308c\u308b\u3002\u30af\u30a4\u30ba\uff1a\u4e0b\u8a18\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3068\u4f55\u304c\u51fa\u529b\u3055\u308c\u308b\u304b\uff1f #include <iostream> int main() { int i = 0; std::cout << ++i << ++i; // \u2605 } \u3053\u305f\u3048\uff1a C++14\u4ee5\u524d\uff1a\u672a\u5b9a\u7fa9\u52d5\u4f5c(undefined behavior)\u3092\u5f15\u304d\u8d77\u3053\u3059\u305f\u3081\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u3084\u6700\u9069\u5316\u6709\u7121\u306b\u3088\u3063\u3066\u51fa\u529b\u7d50\u679c\u306f\u5909\u5316\u3059\u308b\u3002\u5927\u62b5\u306f12\u3082\u3057\u304f\u306f22\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u304c\u3001\u3053\u308c\u4ee5\u5916\u306e\u51fa\u529b\u304c\u5f97\u3089\u308c\u308b\u304b\u3082\u3057\u308c\u306a\u2026","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohhoy.hatenadiary.jp%2Fentry%2F20180204%2Fp1\" title=\"\u30b9\u30c8\u30ea\u30fc\u30e0\u5165\u51fa\u529b\u3068\u8a55\u4fa1\u9806\u898f\u5b9a\u306e\u53b3\u683c\u5316 - 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>","image_url":null}