bla 5 2 : Nat
nameArgErrorIssue.lean:5:20-5:24: error: Application type mismatch: In the application
  bla "hi"
the argument
  "hi"
has type
  String
but is expected to have type
  Nat
bla sorry 5 : Nat
nameArgErrorIssue.lean:6:20-6:24: error: Application type mismatch: In the application
  bla "hi"
the argument
  "hi"
has type
  String
but is expected to have type
  Nat
nameArgErrorIssue.lean:6:11-6:19: error: invalid argument name 'z' for function 'bla'
nameArgErrorIssue.lean:7:11-7:19: error: invalid argument name 'z' for function 'bla'