tree e995a71b1f27098ecb43b5e5a09cb1b355008c91
parent 9a83135666f8446176258bfdf1b4d77cc9842443
author Zhiyi Zhang <zhiyi@cs.ucla.edu> 1601320284 -0700
committer Zhiyi Zhang <zhiyi@cs.ucla.edu> 1601320355 -0700

use enum class for status

Change-Id: Iaba23e0754335a7fecec2d6c4b3446988b2fd9d0