Programming with Arrowsãèªãã§ç解ããã¤ããã®ã¡ã¢ã誤ããªã©ä¹ããææã ï¼å¾©ç¿ï¼Arrowã£ã¦ãªã«ï¼ ã¨æã£ã¦ä»¥å調ã¹ãã¡ã¢ã"3åã§è§£ãHaskellã®Arrowã®åºæ¬ã¡ã¢ - ãããããã¾ãã"ãããã«ã¡ãã£ã¨è£è¶³ã¨ããã観ç¹ãå¤ãã¦ã¾ãæè¦ã®æ´çã Monadã«è²ããªç¨®é¡ãããããã«ãArrowãè²ããªç¨®é¡ãããã Monad: IOãMaybeã⦠Arrow: é¢æ°ãã®ã¾ãã¾(->)ãKleisli mã⦠ãã種é¡ã®Monadã«è²ããªåã®è²ããªå¤ãå ¥ããããããã«ããã種é¡ã®Arrowã«è²ããªåã®è²ããªé¢æ°ãå ¥ããããã Monad: Maybeã®ä¾â ãMaybe Intã ã«return 0ãreturn 777ãOKããMaybe Charã ã«return 'a'ãreturn ' 'ãOKã Arrow: (->)ã®ä¾â ãInt -> In
{{#tags}}- {{label}}
{{/tags}}