> :t map reverse :: [[a]] -> [[a]] > show (map reverse) No instance for (GHC.Show.Show ([[a0]] -> [[a0]])) You can't show functions. Pass an argum

> :t map reverse :: [[a]] -> [[a]] > show (map reverse) No instance for (GHC.Show.Show ([[a0]] -> [[a0]])) You can't show functions. Pass an argument: > map reverse ["test","this"] => ["tset","siht"]