{"categories":["scala","scalaz","monad"],"width":"100%","type":"rich","version":"1.0","author_name":"xuwei","provider_name":"Hatena Blog","title":"Scala\u3067stack overflow\u3057\u306a\u3044Free Monad Transformer\u3084Free MonadPlus","height":"190","url":"https://xuwei-k.hatenablog.com/entry/20151118/1447821258","description":"\u4ee5\u524d\u3044\u304f\u3064\u304b\u95a2\u9023\u3057\u305f\u3082\u306e\u66f8\u304d\u307e\u3057\u305f\u304c","image_url":null,"provider_url":"https://hatena.blog","blog_title":"xuwei-k's blog","published":"2015-11-18 13:34:18","blog_url":"https://xuwei-k.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/xuwei/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fxuwei-k.hatenablog.com%2Fentry%2F20151118%2F1447821258\" title=\"Scala\u3067stack overflow\u3057\u306a\u3044Free Monad Transformer\u3084Free MonadPlus - xuwei-k&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}