tree c6f83fa8197b5940ced500498a0509072c20b8dd
parent 32d371e1d00ccc2fc775c7283300e1de9058d44e
author buyingyi <buyingyi@gmail.com> 1378924568 -0700
committer buyingyi <buyingyi@gmail.com> 1378924568 -0700

address Vinayak's code review comments