matthewrudy/memoist — pull request #27 by bradylove (2014-09-11 00:53:19+00:00)
Title: Call abs on arity when extracting reaload

Fixes #23

* Optional arguments in the method signature cause arity to be a
negative number. Call abs on the method arity to fix option values not
working and throwing something like:

ArgumentError: wrong number of arguments (3 for 2)