From: Craig Gallek
Date: Thu, 21 Sep 2017 18:43:29 -0400
> From: Craig Gallek
>
> Before the delete operator was added, this datastructure maintained
> an invariant that intermediate nodes were only present when necessary
> to build the tree. This patch updates the delete operation to reinstat
From: Craig Gallek
Before the delete operator was added, this datastructure maintained
an invariant that intermediate nodes were only present when necessary
to build the tree. This patch updates the delete operation to reinstate
that invariant by removing unnecessary intermediate nodes after a n