[Haskell-cafe] IO in lists

[David House]

On 16/01/07, Yitzchak Gale <gale at sefer.org> wrote:
> listChars2 :: ListT IO Char
> listChars2 = do
>   c <- lift getChar
>   if c == 'q'
>     then return c
>     else return c `mplus` listChars2

It's probably eaiser to work with normal lists:

listChars :: IO [Char]
listChars = do
  c <- getChar
  if c == 'q'
    then return c
    else liftM2 (:) (return c) listChars

-- 
-David House, dmhouse at gmail.com