andreasgal/j2me.js — pull request #513 by EricRahm (2014-10-30 18:15:42+00:00)
Title: WIP: Improve perf of createAlternanteImpl

- Creates return-type specific return functions that are determined at
creation time
- Splits off promise handling to it's own function. Overrides that use promises
must indicate so when creating the override with the usesPromise param.