Error(parser::definitions::invalid_name)

  💥 invalid function name: `myFunction`
   ╭─[tests/diagnostics/invalid_function_name.oy:1:1]
 1 │ ~myFunction{<
   ·  ─────┬────
   ·       ╰── `myFunction` is invalid name for function
 2 │     // This is a comment
 3 │     echo <"Hello, World!">;
 4 │ >}
   ╰────
  help: the function name must be snake_case. Try `my_function` instead.
