{"provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/yohhoy/","image_url":null,"width":"100%","description":"\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9eC++\u306b\u304a\u3044\u3066\u3001\u95a2\u6570\u304b\u3089\u306e return \u6587\u3068\u6697\u9ed9\u306e\u30e0\u30fc\u30d6\u3068\u578b\u5909\u63db\u306e\u95a2\u4fc2\u306b\u3064\u3044\u3066\u30e1\u30e2\u3002*1\u4e0b\u8a18\u30b3\u30fc\u30c9func_implicit_move\u95a2\u6570\u306e\u3088\u3046\u306b return \u6587\u306b\u3066\u578b\u5909\u63db\uff08unique_ptr\u2192shared_ptr\uff09\u3092\u4f34\u3046\u5834\u5408\u3001C++11/14\u8a00\u8a9e\u4ed5\u69d8\u306b\u3088\u3063\u3066\u632f\u308b\u821e\u3044\u304c\u7570\u306a\u308b\u3002\u3053\u306e\u4ed5\u69d8\u5909\u66f4\u306fCWG DR 1579\u306b\u3088\u308b\u3002 C++11\uff1a\u5909\u6570\u578b\u3068\u623b\u308a\u5024\u578b\u304c\u7570\u306a\u308b\u5834\u5408\u3001\u53f3\u8fba\u5024(rvalue)\u7248\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u9078\u629e\u306f\u8a66\u884c\u3055\u308c\u306a\u3044\u3002unique_ptr\u578b\u306e\u5de6\u8fba\u5024(lvalue)\u3092\u3068\u308bshared_ptr\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u5b58\u5728\u305b\u305a\u3001\u8a72\u5f53\u30b3\u30fc\u30c9\u306fill-formed\u3068\u306a\u308b\u3002 C++14\u2026","blog_title":"yohhoy\u306e\u65e5\u8a18","height":"190","blog_url":"https://yohhoy.hatenadiary.jp/","published":"2016-10-16 00:00:00","version":"1.0","title":"return\u6587\u3068\u6697\u9ed9\u306e\u30e0\u30fc\u30d6\u3068\u578b\u5909\u63db","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohhoy.hatenadiary.jp%2Fentry%2F20161016%2Fp1\" title=\"return\u6587\u3068\u6697\u9ed9\u306e\u30e0\u30fc\u30d6\u3068\u578b\u5909\u63db - 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>","categories":["C++","gcc","Clang"],"author_name":"yohhoy","provider_url":"https://hatena.blog","url":"https://yohhoy.hatenadiary.jp/entry/20161016/p1"}