{"blog_title":"Don't Repeat Yourself","author_url":"https://blog.hatena.ne.jp/yuk1tyd/","type":"rich","version":"1.0","description":"\u30bf\u30a4\u30c8\u30eb\u306f\u8a18\u53f7\u306e\u30b0\u30b0\u30e9\u30d3\u30ea\u30c6\u30a3\u78ba\u4fdd\u306e\u305f\u3081\u306b\u308f\u3056\u3068\u3064\u3051\u3066\u3044\u307e\u3059\uff08\u7b11\uff09\u3002\u52d5\u4f5c\u306f\u3059\u3079\u3066\u3001Rust 1.47.0 (stable) \u3067\u3059\u3002nightly \u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\u306f nightly \u3068\u6587\u4e2d\u306b\u8a18\u8f09\u3057\u307e\u3057\u305f\u3002 TL; DR Rust \u306b\u306f ! \u3068\u3044\u3046\u300c\u4f55\u3082\u8fd4\u3055\u306a\u3044\u3053\u3068\u3092\u793a\u3059\u30e2\u30ce\u300d\u304c\u5b58\u5728\u3059\u308b\u3002 never \u578b\u3068\u547c\u3076\u3002 \u5024\u3092\u4f55\u3082\u8fd4\u3055\u306a\u3044\u8a08\u7b97\u306e\u8868\u73fe\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u308b\u3002 \u666e\u6bb5\u306f\u578b\u5f37\u5236\u3055\u308c\u308b\uff08\u306e\u3067\u3001\u4f7f\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u6c17\u3065\u304b\u306a\u3044\u304b\u3082\uff09\u3002 never \u578b\u306f\u5b89\u5b9a\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u3002 TL; DR \u57fa\u672c ! = never \u578b never \u578b\u306f\u3069\u3053\u306b\u51fa\u3066\u304f\u308b\u306e\u304b Coercing \u767a\u5c55 never \u578b\u306f\u307e\u3060\u5b89\u5b9a\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u2026","categories":[],"provider_url":"https://hatena.blog","width":"100%","published":"2020-11-02 00:03:13","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog-dry.com%2Fentry%2F2020%2F11%2F02%2F000313\" title=\"Rust \u306e `!` (\u30d3\u30c3\u30af\u30ea\u30de\u30fc\u30af\u3001\u30a8\u30af\u30b9\u30af\u30e9\u30e1\u30fc\u30b7\u30e7\u30f3\u30de\u30fc\u30af\u3001\u611f\u5606\u7b26\u3001never) \u578b - Don&#39;t Repeat Yourself\" 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,"title":"Rust \u306e `!` (\u30d3\u30c3\u30af\u30ea\u30de\u30fc\u30af\u3001\u30a8\u30af\u30b9\u30af\u30e9\u30e1\u30fc\u30b7\u30e7\u30f3\u30de\u30fc\u30af\u3001\u611f\u5606\u7b26\u3001never) \u578b","height":"190","blog_url":"https://blog-dry.com/","author_name":"yuk1tyd","url":"https://blog-dry.com/entry/2020/11/02/000313","provider_name":"Hatena Blog"}