Error(parser::definitions::invalid_main_function)

  💥 invalid main function
   ╭─[tests/diagnostics/main_function_cannot_be_public.oy:1:1]
 1 │ ^~main<argc><argv>{<
   · ▲
   · ╰── The main function must be private
 2 │ 
 3 │ >}
   ╰────
  help: Remove the `^` to make the main function private
