marg_do https://blog.hatena.ne.jp/marg_do/ marg-do's https://marg-do.hateblo.jp/ Haskell myecho.hs import System.Environment main = do args <- getArgs putStrLn $ foldr (\x acc -> x ++ " " ++ acc) "" args $ ghc --make myecho $ ./myecho Hello World Hello World 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmarg-do.hateblo.jp%2Fentry%2F2014%2F05%2F12%2F174400" title="簡単なechoプログラム - marg-do&#39;s" 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 2014-05-12 17:44:00 rich https://marg-do.hateblo.jp/entry/2014/05/12/174400 1.0 100%