• Add getters for both underlying graphs.

Antoine is out of office, so sending to you @zack

@vsellier the internship will end in June, you can schedule removal on say 15th of June

@ardumont here are the details:

Remove local gitignore

In D6594#171311, @vlorentz wrote:

Interesting, thanks!

This is an interesting coincidence, we recently discussed doing something like this. May I ask what your use case is?

The code looks fine to me, but I'd like a review from @seirl (this may take some time, he is busy this week)

Should this still allow the possibility of browsing both directions?