{"published":"2014-01-05 06:41:28","title":"Haskell Koans","width":"100%","provider_name":"Hatena Blog","image_url":null,"categories":[],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.kyanny.me%2Fentry%2F2014%2F01%2F05%2F064128\" title=\"Haskell Koans - @kyanny&#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>","version":"1.0","author_name":"a666666","author_url":"https://blog.hatena.ne.jp/a666666/","blog_title":"@kyanny's blog","description":"I found Haskell Koans on GitHub. It was really good practice for me. I did it, but I couldn't solve Parser Combinator practice. I guess I'm stuck at basic list operation stuff. I tried many times, but failed after all (I couldn't satisfy return type \"Parser String\"). If you know the answer, please l\u2026","type":"rich","url":"https://blog.kyanny.me/entry/2014/01/05/064128","blog_url":"https://blog.kyanny.me/","provider_url":"https://hatena.blog","height":"190"}