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 HashTable は IO 型なので難しいから平衡木。 > :m +Data.Map > let t = empty > t > :t t --=> t :: Map k a > t --=> fromList [] 要素を挿入してみる。 > let t2 = insert "key" "value" t > let t3 = insert "1" "1234567890" t2 > t3 fromList [("1","1234567890"),("key","value")] > let t4 = insert "k" "fuga" t3 > t4 fromList [("1","123… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsirocco.hatenadiary.org%2Fentry%2F20090616%2F1245140639" title="平衡木を使ってみる - 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 2009-06-16 17:23:59 rich https://sirocco.hatenadiary.org/entry/20090616/1245140639 1.0 100%