{"provider_url":"https://hatena.blog","url":"https://blog.emattsan.org/entry/2018/02/25/213743","description":"Elixir \u3067\u6587\u5b57\u5217\u304b\u3089\u6570\u5024\u306b\u5909\u63db\u3059\u308b\u3068\u304d\u306b String.to_integer/1 \u3084 String.to_float/1 \u3092\u4f7f\u3044\u307e\u3059\u304c\u3001\u524d\u8005\u306f\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u5024\u306e\u6587\u5b57\u5217\u3092\u4e0e\u3048\u308b\u3068\u3001\u5f8c\u8005\u306f\u6574\u6570\u5024\u306e\u6587\u5b57\u5217\u3092\u4e0e\u3048\u308b\u3068\u4f8b\u5916\u3092\u6295\u3052\u3066\u3057\u307e\u3044\u307e\u3059\u3002 iex(1)> String.to_integer(\"123\") 123 iex(2)> String.to_integer(\"123.4\") ** (ArgumentError) argument error :erlang.binary_to_integer(\"123.4\") iex(2)> String.to_float(\"123.4\") 123.4 i\u2026","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.emattsan.org%2Fentry%2F2018%2F02%2F25%2F213743\" title=\"\u6574\u6570\u5024\u3067\u3082\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u5024\u3067\u3082\u30d1\u30fc\u30b9\u3057\u305f\u3044 - \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7684\u611b\u60c5\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":"https://images-fe.ssl-images-amazon.com/images/I/61tnmDwk7rL._SL160_.jpg","title":"\u6574\u6570\u5024\u3067\u3082\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u5024\u3067\u3082\u30d1\u30fc\u30b9\u3057\u305f\u3044","author_url":"https://blog.hatena.ne.jp/E_Mattsan/","provider_name":"Hatena Blog","blog_title":"\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7684\u611b\u60c5","width":"100%","author_name":"E_Mattsan","blog_url":"https://blog.emattsan.org/","published":"2018-02-25 21:37:43","type":"rich","version":"1.0","categories":["Elixir","\u3081\u3082"]}