tree 2260a8b4b87caedd3d10e46b532233beeea30aeb
parent 055cab8a8873f569c1b6711becfb23cc289e9625
author buyingyi <buyingyi@gmail.com> 1368475849 -0700
committer buyingyi <buyingyi@gmail.com> 1368475849 -0700

address Pouria's code review comments