{"description":"\u5c11\u3057\u9593\u304c\u7a7a\u3044\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u304c\u3001\u4eca\u5ea6\u306fScalaz\u306eListW\u3067\u3059\u3002\u6570\u3082\u591a\u3044\u306e\u3067\u3001\u3051\u3063\u3053\u3046\u5927\u5909\u3067\u3057\u305f\u3002 \u3042\u3068\u3001\u30e2\u30ca\u30c9\u3092\u4f7f\u7528\u3059\u308bAPI\u306f\u7406\u89e3\u3067\u304d\u3066\u3044\u307e\u305b\u3093\u3002\u3067\u306f\u3001\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u9806\u306b\u3002 \u5143\u306eList\u304cNil\u3067\u306a\u3051\u308c\u3070\u3001NonEmptyList\u304c\u6e21\u3063\u3066\u304f\u308b\u306e\u3067\u3001\u305d\u308c\u306b\u5bfe\u3057\u3066\u6f14\u7b97\u3057\u305f\u7d50\u679c\u304c\u623b\u308a\u5024\u306b\u306a\u308a\u307e\u3059\u3002NonEmptyList\u306f\u3001\u5fc5\u305a\u8981\u7d20\u304c\u3042\u308b\uff08\uff1dNil\u3067\u306a\u3044\uff09List\u3067\u3059\u3002\u3068\u308a\u3042\u3048\u305a\u3001foldLeft\u3057\u3066\u307f\u307e\u3057\u305f\u3002 println(\"List(1, 2, 3) <^> foldLeft(0)(_ + _) => \" + { List(1, 2, 3) <^> { nonEmptyList => n\u2026","blog_url":"https://kazuhira-r.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkazuhira-r.hatenablog.com%2Fentry%2F20111211%2F1323611222\" title=\"Scalaz ListW - CLOVER\ud83c\udf40\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"Kazuhira","categories":["Scala","Scalaz"],"author_url":"https://blog.hatena.ne.jp/Kazuhira/","width":"100%","type":"rich","blog_title":"CLOVER\ud83c\udf40","url":"https://kazuhira-r.hatenablog.com/entry/20111211/1323611222","published":"2011-12-11 22:47:02","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","height":"190","image_url":null,"title":"Scalaz ListW","version":"1.0"}