1
evalSorry.lean:5:33-5:34: error: application type mismatch
  f x
argument
  x
has type
  String : Type
but is expected to have type
  Nat : Type
evalSorry.lean:7:0-7:15: error: cannot evaluate code because '_eval._lambda_1' uses 'sorry' and/or contains errors
evalSorry.lean:11:0-11:15: error: cannot evaluate code because 'h' uses 'sorry' and/or contains errors