{"published":"2026-06-03 19:31:26","provider_url":"https://hatena.blog","width":"100%","provider_name":"Hatena Blog","blog_title":"Engineering Tech Dojo","version":"1.0","url":"https://tech.fun-toy-life.com/entry/2026/06/03/193126","title":"Rust\u306e\u30a4\u30c6\u30ec\u30fc\u30bf\u5165\u9580\uff1amap\u30fbfilter\u30fbcollect\u306e\u4f7f\u3044\u65b9","blog_url":"https://tech.fun-toy-life.com/","type":"rich","author_name":"plarail_hangout","author_url":"https://blog.hatena.ne.jp/plarail_hangout/","categories":["Rust"],"description":"Rust\u306e\u30a4\u30c6\u30ec\u30fc\u30bf\u5165\u9580\uff1amap\u30fbfilter\u30fbcollect\u306e\u4f7f\u3044\u65b9 \u306f\u3058\u3081\u306b Rust\u306e\u30a4\u30c6\u30ec\u30fc\u30bf\u306f Vec \u3084\u914d\u5217\u306a\u3069\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u8981\u7d20\u3054\u3068\u306b\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002map\u30fbfilter\u30fbcollect \u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30eb\u30fc\u30d7\u3092\u4f7f\u308f\u305a\u5ba3\u8a00\u7684\u306b\u30c7\u30fc\u30bf\u5909\u63db\u304c\u3067\u304d\u307e\u3059\u3002 \u30a4\u30c6\u30ec\u30fc\u30bf\u3092\u4f5c\u308b \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306b .iter() \u3092\u547c\u3076\u3068\u30a4\u30c6\u30ec\u30fc\u30bf\u304c\u5f97\u3089\u308c\u307e\u3059\u3002 let v = vec![1, 2, 3, 4, 5]; let iter = v.iter(); // &i32 \u3092\u8fd4\u3059\u30a4\u30c6\u30ec\u30fc\u30bf \u30e1\u30bd\u30c3\u30c9 \u8fd4\u3059\u578b \u4f7f\u3044\u65b9 .iter() &T\uff08\u53c2\u7167\uff09 \u5143\u306eVec\u3092\u305d\u306e\u307e\u307e\u4f7f\u3044\u7d9a\u3051\u305f\u3044 .iter\u2026","height":"190","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftech.fun-toy-life.com%2Fentry%2F2026%2F06%2F03%2F193126\" title=\"Rust\u306e\u30a4\u30c6\u30ec\u30fc\u30bf\u5165\u9580\uff1amap\u30fbfilter\u30fbcollect\u306e\u4f7f\u3044\u65b9 - Engineering Tech Dojo\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}