9 Sep
2021
9 Sep
'21
5:51 p.m.
Hello Lawrence, Il 09 settembre 2021 alle 16:25 Galaxy Being ha scritto:
import Data.Tuple fswp :: (a, b) -> (b, a) fswp = Data.Tuple.swap
this typechecks without problem. maybe you invoked fswp without an argument? (i.e. `λ> fwsp` instead of `λ> fwsp (1,'a')`)