samg/diffy — pull request #19 by hotchpotch (2012-12-20 09:36:50+00:00)
Title: Change Enumerator.new to Object#to_enum

Enumerator.new without a block is deprecated in Ruby 2.0.
```
$ irb
2.0.0dev :001 > Enumerator.new('a')
(irb):1: warning: Enumerator.new without a block is deprecated; use Object#to_enum
=> #
```