error: Expected comma after status code.

       Correct syntax: guard!(condition, 400, "message")

       Original error: expected `,`
 --> tests/ui/dx/guard_missing_message.rs:6:5
  |
6 |     guard!(!name.is_empty(), 400);
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: this error originates in the macro `guard` (in Nightly builds, run with -Z macro-backtrace for more info)
