There is nothing in this commit except for the changes made by nix-shell -p nixfmt-rfc-style --run "nixfmt ." If this has mucked up your open branches then sorry about that. You can probably nixfmt them to match before merging
* I didn't know what I was doing when I set up Hydra * it's not certain that I do now either, but hey ho
The outputs available are a characteristic of the device, not the example.
this just makes things marginally simpler
