tree ab4c553e075d6c4b512ba04b7a2912cc66531ff1
parent 19e2fae2bed0dfaae9383f36ef0b238121561863
author Haoming Zhang <haoming@haoming-macbookpro.roam.corp.google.com> 1489612046 -0700
committer Haoming Zhang <haoming@haoming-macbookpro.roam.corp.google.com> 1489612046 -0700

refactor emit() and emitwithcallback(), address comments