jashkenas/underscore — pull request #1700 by megawac (2014-06-22 03:35:51+00:00)
Title: Breaking: Optimization for compose

This change will break for the `_.compose()` case. I'm for throwing an `Error` immediately or return a `noop` if no arguments are given.

http://jsperf.com/lodash-compose-vs-underscore/2