tree 2cb99f02e235956b6d2d01f13b525b4fba7a77f8
parent 6f3c58b9bd32bd1a9beb6f2a4d299733261ed0fc
author Zhiyi Zhang <zhiyi@cs.ucla.edu> 1604073519 -0700
committer Zhiyi Zhang <zhiyi@cs.ucla.edu> 1604073525 -0700

still use rvalue reference for parameters

Change-Id: I44e06a375f29b8552cbc58d99c7ac317ff33130c