If anyone's looking for an example, I used this trick a few months ago to embed a tiny helper binary[0] directly into my application[1] so I wouldn't have to ship two executables or add "hidden" behavior to the main program. It works really well (on Linux)!
[0]: https://github.com/impl/systemd-user-sleep/blob/666cf29871b1...
[1]: https://github.com/impl/systemd-user-sleep/blob/666cf29871b1...