tree 175d02ee88c9ad24777a8848fad8d2497a4255a0
parent aaba4935639944dfd4cbd8b4b1d0f511639c9b01
author Stephen Li <stephenli@google.com> 1480555555 -0800
committer Stephen Li <stephenli@google.com> 1480555555 -0800

Remove unused variables, infer type parameters

Change-Id: Icc7b5d2f7c0082fc5f20127314d353ca6192b9a4