04/09/10 21:59:52
>>200
返値も無限リストの場合です。
nub0 :: Eq a => [a] -> [a]
nub0 = nub0' []
nub0' l [] = l
nub0' l (x:xs)
| elem x l = nub0' l xs
| otherwise = nub0' (x:l) xs
take 10 (nub0 [1..])
04/09/10 21:59:52
>>200
返値も無限リストの場合です。
nub0 :: Eq a => [a] -> [a]
nub0 = nub0' []
nub0' l [] = l
nub0' l (x:xs)
| elem x l = nub0' l xs
| otherwise = nub0' (x:l) xs
take 10 (nub0 [1..])