On Sun, 2010-01-17 at 18:10 +0800, VoidPrayer wrote:
> let ...
> in ...
>
> I guess GHC is finding where "in" is.
Except that:
main = do l <- getLine
let l' = lines l
print l'
Is perfectly valid without in. Similary:
something = proc (x, y) -> do x' <- someArrow -< x
let z = x + y + x'
returnA -< z
Regards