tree 2a964716147409fe0297519bd3c4d1bfd38f3a35
parent 8aa9feaab3f1ebedaa6e4ec8d6c5b8ce2ee73ac3
author David Shah <dave@ds0.me> 1574973949 +0000
committer David Shah <dave@ds0.me> 1574973949 +0000

First pass at data structures for hierarchy

Signed-off-by: David Shah <dave@ds0.me>