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 プログラミング Haskell 6章 再帰関数 6.8 練習問題 -- マージソート merge :: (Ord a) => [a] -> [a] -> [a] merge [ ] ys = ys merge xs [ ] = xs merge (x : xs) (y : ys) | x <= y = x : merge xs (y : ys) | otherwise = y : merge (x : xs) ys halve :: [a] -> ([a], [a]) halve xs = splitAt (length xs `div` 2) xs msort :: (Ord a) => [… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsirocco.hatenadiary.org%2Fentry%2F20100403%2F1270279657" title="「プログラミング Haskell」 読書メモ 6 再帰関数 - 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 2010-04-03 16:27:37 rich https://sirocco.hatenadiary.org/entry/20100403/1270279657 1.0 100%