{"provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/mbps/","height":"190","description":"\u8a18\u6cd5 Category of applicative functors - PS Traversable functor \u305d\u306e1 functor: natural transformation: *1 \u306e\u30da\u30a2\u3067 (unitality) (linearity) \u3092\u6e80\u305f\u3059\u3082\u306e\u3002 Traversable functor \u305d\u306e2 functor: natural transformation: *2 \u306e\u30da\u30a2\u3067 (identity) (composition) \u3092\u6e80\u305f\u3059\u3082\u306e\u3002Free theorem\u3092\u60f3\u5b9a\u3059\u308b\u5834\u5408\u3001(identity)\u306f\u3001fmap\u306e\u4e00\u610f\u6027 - PS\u306b\u3088\u308a \u3067\u5341\u5206(\u3068\u601d\u3046)\u3002 \u547d\u984c \u305d\u306e1\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmbps.hatenablog.com%2Fentry%2F2014%2F09%2F22%2F100000\" title=\"Traversable functor - PS\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2014-09-22 10:00:00","author_name":"mbps","type":"rich","width":"100%","url":"https://mbps.hatenablog.com/entry/2014/09/22/100000","blog_url":"https://mbps.hatenablog.com/","provider_url":"https://hatena.blog","title":"Traversable functor","image_url":"http://chart.apis.google.com/chart?cht=tx&chl=%20%5Cmathcal%7BApp%7D%20%3A%3D%20%5Ctext%7Bcategory%20of%20applicative%20functors%7D%20","version":"1.0","blog_title":"PS","categories":["\u570f\u8ad6","\u5b9a\u7fa9","Haskell","Traversable"]}