{"categories":[],"published":"2016-12-09 20:16:20","provider_url":"https://hatena.blog","blog_title":"rail44 (\u30a2\u30e1\u30df\u30e4)","version":"1.0","provider_name":"Hatena Blog","image_url":null,"description":"\u3057\u3088\u3046(\u63d0\u6848) \u3053\u306e\u8a18\u4e8b\u306fRust Advent Calendar 2016 - Qiita\u306e9\u65e5\u76ee\u306e\u8a18\u4e8b\u3068\u306a\u308a\u307e\u3059\u3002 \u30b3\u30f3\u30d1\u30a4\u30e9\u30d7\u30e9\u30b0\u30a4\u30f3 Rust\u306f\u30b3\u30f3\u30d1\u30a4\u30e9\u3067\u3042\u308brustc\u306b\u5bfe\u3057\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u3057\u3066\u6a5f\u80fd\u3092\u8ffd\u52a0\u3067\u304d\u308b\u4ed5\u7d44\u307f\u304c\u3042\u308a\u307e\u3059\u3002 \u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u51e6\u7406\u3092\u5b9a\u7fa9\u3067\u304d\u308b\u4ed5\u7d44\u307f\u3068\u3044\u3046\u3068\u3001\u30de\u30af\u30ed\u304c\u601d\u3044\u6d6e\u304b\u3073\u307e\u3059\u304c\u3001 macro_rules! foo { (x => $e:expr) => (println!(\"mode X: {}\", $e)); (y => $e:expr) => (println!(\"mode Y: {}\", $e)); } fn main() { foo!(y =>\u2026","type":"rich","url":"https://rail.hatenablog.jp/entry/2016/12/09/201620","author_name":"rail44","title":"Rust\u306e\u30b3\u30f3\u30d1\u30a4\u30e9\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u5b9f\u88c5\u3092\u578b\u5b9a\u7fa9\u304b\u3089\u81ea\u52d5\u751f\u6210\u3057\u3088\u3046","author_url":"https://blog.hatena.ne.jp/rail44/","height":"190","width":"100%","blog_url":"https://rail.hatenablog.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frail.hatenablog.jp%2Fentry%2F2016%2F12%2F09%2F201620\" title=\"Rust\u306e\u30b3\u30f3\u30d1\u30a4\u30e9\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u5b9f\u88c5\u3092\u578b\u5b9a\u7fa9\u304b\u3089\u81ea\u52d5\u751f\u6210\u3057\u3088\u3046 - rail44 (\u30a2\u30e1\u30df\u30e4)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}