sort
続いて
hugsでsortを試す。
参考にしたページ
http://www.zvon.org/other/haskell/Outputlist/sort_f.html
Hugs> :load List List> sort[1,2,1,3,2,4,5] [1,1,2,2,3,4,5] List> sort["abc", "abb", "aab", "aac", "aaa", "baa", "bab"] ["aaa","aab","aac","abb","abc","baa","bab"] List> sort$lines "abc\nabb\naaa" ["aaa","abb","abc"]