{"description":"(\u904e\u53bb\u8a18\u4e8b\u306e\u30b3\u30d4\u30da\u306a\u306e\u3067\u5185\u5bb9\u304c\u53e4\u3044\u304b\u3082\u77e5\u308c\u307e\u305b\u3093)\u4ee5\u524d\u3082\u4f7f\u3063\u305f\u3051\u3069\u30012\u5217\u306e\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f\u305f\u3044\u5834\u5408\u306f\u30fb\u30fb\u30fb Prelude> let a=\"1 2\\n3 4\\n5 6\" Prelude> map (map read) $ ( map words $ lines a ) ::[[Double]] [[1.0,2.0],[3.0,4.0],[5.0,6.0]] \u307f\u305f\u3044\u306a\u611f\u3058\u3067\u3068\u308a\u3042\u3048\u305a\u306fOK \u3042\u304f\u307e\u3067\u3068\u308a\u3042\u3048\u305a\u306f\u30fb\u30fb\u30fb\u30fb\u30fb - \u540c\u671f\u304b\u3089\u306e\u3042\u308a\u304c\u305f\u3044\u304a\u8a00\u8449 Prelude> map (map read.words ).lines $ a ::[[Double]] [[1.0,2.0],[3.0,4.\u2026","author_url":"https://blog.hatena.ne.jp/coffee_kabu/","title":"\u3010Haskell\u30112\u5217\u306e\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u53d6\u3063\u3066","type":"rich","provider_name":"Hatena Blog","image_url":null,"url":"https://coffee-guhaw.hateblo.jp/entry/2025/03/29/000000","provider_url":"https://hatena.blog","blog_title":"Bus error\u3068Segmentation fault\u306b\u56f0\u3063\u305f\u3089\u898b\u308b\u30d6\u30ed\u30b0","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcoffee-guhaw.hateblo.jp%2Fentry%2F2025%2F03%2F29%2F000000\" title=\"\u3010Haskell\u30112\u5217\u306e\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u53d6\u3063\u3066 - Bus error\u3068Segmentation fault\u306b\u56f0\u3063\u305f\u3089\u898b\u308b\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://coffee-guhaw.hateblo.jp/","width":"100%","version":"1.0","author_name":"coffee_kabu","published":"2025-03-29 00:00:00","categories":["haskell"]}