documentcloud/underscore-contrib — pull request #8 by raganwald (2013-04-26 04:06:04+00:00)
Title: Adds the _.flip function for flipping an arbitrary number of arguments.

flip2 can now be defined from flip if necessary. Compatiblity: IE6+.

Limitation: _.flip does not establish the correct arity. Then again, neither does fnull, so this may not be an underscore-contrib standard contract.