Processing as TTImp Eta.yaff:16:1--17:1:When elaborating right hand side of Main.etaBad: Eta.yaff:16:10--17:1:When unifying: ($resolved99 ?Main.{b:18}_[] ?Main.{b:18}_[] \x : Char => \y : ?Main.{_:15}_[x[0]] => ($resolved109 ?Main.{_:16}_[x[1], y[0]] ?Main.{_:17}_[x[1], y[0]]) \x : Char => \y : ?Main.{_:15}_[x[0]] => ($resolved109 ?Main.{_:16}_[x[1], y[0]] ?Main.{_:17}_[x[1], y[0]])) and ($resolved99 ((x : Char) -> ((y : ?Main.{_:15}_[x[0]]) -> $resolved108)) (({arg:11} : Integer) -> (({arg:12} : Integer) -> $resolved108)) $resolved109 \x : Char => \y : ?Main.{_:15}_[x[0]] => ($resolved109 ?Main.{_:16}_[x[1], y[0]] ?Main.{_:17}_[x[1], y[0]])) Eta.yaff:16:10--17:1:Type mismatch: Char and Integer Yaffle> Bye for now!