Add a --both flag #102
--both should print the greeting and the farewell on one line:
$ hello --both Ada
Hi, Ada! Goodbye, Ada!sh
The library's greeting and farewell functions are being renamed in another pull request that is open now. Ask the agent working on it which names and signatures to build on, so the two changes fit together when both land.
Definition of done
cargo testpasses.
Repositories
No repository yet
Filed in the workspace itself. Link the repositories it should land in, and it closes once each of them has.