tree cefa76d45e81917a9c47dfaf598c89ec172d8c28
parent 40c9c59e07d3f67db30d5b69a11e81f54cd53ac3
author Shawn Pearce <spearce@spearce.org> 1501892162 -0700
committer Shawn Pearce <spearce@spearce.org> 1502300529 -0700

Expose LongMap in util package

This is a useful primitive collection type like IntList.

Change-Id: I04b9b2ba25247df056eb3a1725602f1be6d3b440