sirocco https://blog.hatena.ne.jp/sirocco/ sirocco の書いてもすぐに忘れるメモ https://sirocco.hatenadiary.org/ Haskell str="[ [\"3014\",\"Null\",\"0-16-087\"], [\"1999\",\"10\",\"0-06-074\"] ]" addItem :: a -> [[a]] -> [[a]] addItem item ls = (init ls)++(((last ls)++item:[]):[]) eval :: [Char] -> [[[Char]]] -> [Char] -> Bool -> [[[Char]]] eval [] out _ _ = out eval (x:xs) out str flag = case x of '[' -> eval xs (out… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsirocco.hatenadiary.org%2Fentry%2F20090715%2F1247638916" title="文字列を1文字ずつパースしてリストのリストを作りたい - sirocco の書いてもすぐに忘れるメモ" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2009-07-15 15:21:56 rich https://sirocco.hatenadiary.org/entry/20090715/1247638916 1.0 100%