"git@gitlab.tiker.net:inducer/loopy.git" did not exist on "50dd460dbca33e39c97952f174c1b3cafb8b5285"
graph: add is_connected (#163)
* graph: add is_connected * simplify truth comparisons Co-authored-by:Andreas Klöckner <inform@tiker.net> * remove validation Co-authored-by:
Andreas Klöckner <inform@tiker.net>