1/1: Building Error (Error.idr) Error: While processing right hand side of wrong. Sorry, I can't find any elaboration which works. All errors: If Main.length: When unifying Nat and Vect ?n ?a. Mismatch between: Nat and Vect ?n ?a. Error.idr:12:18--12:19 | 12 | wrong x = length x | ^ If Prelude.List.length: When unifying Nat and List ?a. Mismatch between: Nat and List ?a. Error.idr:12:18--12:19 | 12 | wrong x = length x | ^ If Prelude.Strings.length: When unifying Nat and String. Mismatch between: Nat and String. Error.idr:12:18--12:19 | 12 | wrong x = length x | ^