tree f8e9470e63c938727f74f7d7c3b89ecdfda1a3df
parent 5ba996031f97ad7cd07e2d6c6ff66f430cd33ce9
author Haoming Zhang <haoming@haoming-macbookpro.roam.corp.google.com> 1489612146 -0700
committer Haoming Zhang <haoming@haoming-macbookpro.roam.corp.google.com> 1489612146 -0700

refactor emit() and emitwithcallback()