{"id":2702,"date":"2019-04-29T16:46:08","date_gmt":"2019-04-29T07:46:08","guid":{"rendered":"http:\/\/www.whoocus.com\/blog\/?p=2702"},"modified":"2019-04-29T16:47:20","modified_gmt":"2019-04-29T07:47:20","slug":"elixir-%e3%81%ae-enum-group_by","status":"publish","type":"post","link":"https:\/\/www.blowfish.co.jp\/?p=2702","title":{"rendered":"Elixir \u306e Enum.group_by"},"content":{"rendered":"\n<p>Elixir \u306e Enum.group_by \u306e\u4f7f\u7528\u65b9\u6cd5\u306b\u3082\u3084\u3082\u3084\u3057\u3066\u3044\u305f\u306e\u3067\u899a\u3048\u66f8\u304d\u3002<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">[\"Elixir\",\"Java\",\"C#\",\"Python\",\"Ruby\"]\n  |> Enum.group_by(fn(x)-> String.length x end)\n\n\niex(1)> FormatTsv.test\n%{2 => [\"C#\"], 4 => [\"Java\", \"Ruby\"], 6 => [\"Elixir\", \"Python\"]}<\/pre>\n\n\n\n<p>\u51fa\u529b\u4f8b\u3092\u898b\u3066\u308f\u304b\u308b\u3088\u3046\u306b\u3001\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u306b\u5bfe\u3057\u3066\u3001\u95a2\u6570 fn \u3067 \u8fd4\u5374\u3057\u305f\u5024\u3067\u3001\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3066\u3044\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Elixir \u306e Enum.group_by \u306e\u4f7f\u7528\u65b9\u6cd5\u306b\u3082\u3084\u3082\u3084\u3057\u3066\u3044\u305f\u306e\u3067\u899a\u3048\u66f8\u304d\u3002 \u51fa\u529b\u4f8b\u3092\u898b\u3066\u308f\u304b\u308b\u3088\u3046\u306b\u3001\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u306b\u5bfe\u3057\u3066\u3001\u95a2\u6570 fn \u3067 \u8fd4\u5374\u3057\u305f\u5024\u3067\u3001\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3066\u3044\u308b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"saved_in_kubio":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-2702","post","type-post","status-publish","format-standard","hentry","category-tech"],"_links":{"self":[{"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/2702","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2702"}],"version-history":[{"count":4,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/2702\/revisions"}],"predecessor-version":[{"id":2706,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/2702\/revisions\/2706"}],"wp:attachment":[{"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2702"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2702"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}