Andrea Rossato <[EMAIL PROTECTED]> writes: > On Mon, Sep 18, 2006 at 12:42:59PM +0100, Jón Fairbairn wrote: > > And if you do that, you can write it like this: > > > > subst e l' > > = concat . map subst_elem > > where subst_elem x > > | x == e = l' > > | otherwise = [x] > > Pretty. Just to many keystrokes.
Keystrokes? Learn to touchtype! > This should take two keystrokes less, probably: > > subst e l [] = [] > subst e l (x:xs) = if x == e then l ++ xs else x : subst e l xs but if you want short, do this: > subst e l' = concat.map (\x->if x==e then l' else [x]) which beats yours by twenty seven characters and one bug ;-P -- Jón Fairbairn [EMAIL PROTECTED] http://www.chaos.org.uk/~jf/Stuff-I-dont-want.html (updated 2006-09-13) _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
