"Nat" "List of Nat" "List of Something else" "List of Something else" "List of Bool" "Int" "Something else" "List of Type" "List of Int" 43 42 1/1: Building TypeCase (TypeCase.idr) Welcome to Idris 2. Enjoy yourself! Main> Main> Main.strangeId is total Main> Main.strangeId': strangeId' _ Main> Bye for now! 1/1: Building TypeCase2 (TypeCase2.idr) TypeCase2.idr:5:1--6:1:Attempt to match on erased argument Nat in Main.strangeId TypeCase2.idr:9:1--10:1:Attempt to match on erased argument Nat in Main.foo