tree 092fd34670af95aa0da5a86713ba390784a4304e
parent 6ee1c5aeb8ace28491bedf0a95f60f11158e0d18
author Natalie Weizenbaum <nweiz@google.com> 1430936350 -0700
committer Natalie Weizenbaum <nweiz@google.com> 1430936350 -0700

Add more set-like version constraint operations.

This adds support for union(), as well as checking if constraints are supersets
of or disjoint with one another. These are necessary for some version solver
work I'm doing in pub.

R=rnystrom@google.com

Review URL: https://codereview.chromium.org/1127783002