{"type":"rich","categories":["Rust"],"blog_url":"https://yohhoy.hatenadiary.jp/","author_url":"https://blog.hatena.ne.jp/yohhoy/","author_name":"yohhoy","url":"https://yohhoy.hatenadiary.jp/entry/20170317/p1","title":"\u5371\u967a\u306a\u578b\u5909\u63db:&T\u2192&mut T","image_url":null,"blog_title":"yohhoy\u306e\u65e5\u8a18","published":"2017-03-17 00:00:00","height":"190","description":"\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9eRust\u306b\u304a\u3051\u308b\u3001&T\u304b\u3089&mut T\u3078\u306e\u578b\u5909\u63db*1\u3068\u540c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u3059\u308b\u5909\u66f4\u64cd\u4f5c\u306f\u3001\u672a\u5b9a\u7fa9\u52d5\u4f5c(undefined behavior)\u3068\u3055\u308c\u3066\u3044\u308b\u3002\u3053\u308c\u306f\u5358\u306bRust\u30b3\u30f3\u30d1\u30a4\u30e9\u306eBorrow Checker\u3092\u9a19\u3059\u3060\u3051\u3067\u306a\u304f\u3001\u8a72\u5f53\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u52d5\u4f5c\u304c\u4e0d\u5b9a\u3068\u306a\u308a\u6df1\u523b\u306a\u969c\u5bb3\u8981\u56e0\u306b\u306a\u308a\u5f97\u308b\u3002*2\u4e0b\u8a18\u30d7\u30ed\u30b0\u30e9\u30e0\u3092rustc 1.15.1\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\uff06\u5b9f\u884c\u3059\u308b\u3068\u3001Debug\u30d3\u30eb\u30c9\u3067\u306f\u304a\u305d\u3089\u304f\u671f\u5f85\u901a\u308a\u52d5\u4f5c\u3059\u308b\u304c\u3001Release\u30d3\u30eb\u30c9\u3067\u306f\u2605\u306eassert!\u30de\u30af\u30ed\u3088\u308a\u5b9f\u884c\u6642\u30a8\u30e9\u30fc\u304c\u5831\u544a\u3055\u308c\u308b*3\u3002\u306a\u304a\u660e\u793a\u7684\u306a#[allow(mutable_transmutes)]\u5c5e\u6027\u3092\u524a\u9664\u3059\u308c\u3070\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u2026","provider_url":"https://hatena.blog","version":"1.0","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohhoy.hatenadiary.jp%2Fentry%2F20170317%2Fp1\" title=\"\u5371\u967a\u306a\u578b\u5909\u63db:&amp;T\u2192&amp;mut T - 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>","width":"100%"}