
9 Sep
2021
9 Sep
'21
9:25 p.m.
I've got this import Data.Tuple fswp :: (a, b) -> (b, a) fswp = Data.Tuple.swap and get this • No instance for (Show ((a0, b0) -> (b0, a0))) arising from a use of ‘print’ (maybe you haven't applied a function to enough arguments?) • In a stmt of an interactive GHCi command: print it Not sure why or what to do to correct it. ⨽ Lawrence Bottorff Grand Marais, MN, USA borgauf@gmail.com