{"published":"2009-01-18 10:23:27","width":"100%","blog_title":"Islands in the byte stream (legacy)","blog_url":"https://gfx.hatenadiary.org/","type":"rich","url":"https://gfx.hatenadiary.org/entry/20090118/1232241807","height":"190","image_url":null,"description":"\u5148\u306e\u8a18\u4e8b\u306e\u300cList::Util::first\u306f\u9045\u3044\u300d\u3067\u306efirst{expr}\u306e\u4f7f\u3044\u65b9\u304c\u9593\u9055\u3063\u3066\u3044\u307e\u3057\u305f orz first{expr}\u306f+(grep{expr} ...)[0]\u306b\u7b49\u3057\u304f\uff0c\u30d6\u30fc\u30eb\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u306escalar(grep{expr}...)\u306b\u7b49\u3057\u3044\u306e\u306fList::MoreUtils::any{expr}\u3067\u3059\u3002\u305f\u3060\u3057\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3064\u3044\u3066\u306e\u7d50\u8ad6\u306f\u540c\u3058\u3067\uff0c\u8981\u7d20\u6570\u304c\u5c11\u306a\u3051\u308c\u3070grep > any\u3068\u306a\u308a\u307e\u3059\u3002TODO: grep/first/any\u305d\u306e\u4ed6\u306b\u3064\u3044\u3066\u306e\u307e\u3068\u3081\u3092\u3042\u3068\u3067\u66f8\u304f\uff08perl-users.jp\u5411\u304d\uff1f\uff09\u3002","provider_name":"Hatena Blog","title":"\u5148\u306e\u8a18\u4e8b\u306eList::Utils::first\u306e\u4f7f\u3044\u65b9\u306f\u9593\u9055\u3063\u3066\u3044\u308b\uff01","provider_url":"https://hatena.blog","author_name":"gfx","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgfx.hatenadiary.org%2Fentry%2F20090118%2F1232241807\" title=\"\u5148\u306e\u8a18\u4e8b\u306eList::Utils::first\u306e\u4f7f\u3044\u65b9\u306f\u9593\u9055\u3063\u3066\u3044\u308b\uff01 - Islands in the byte stream (legacy)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/gfx/","version":"1.0","categories":["Perl"]}