ryopeko/shinq — pull request #1 by kamipo (2014-12-14 12:47:05+00:00)
Title: If a hash is the last argument on a method call, no braces are needed.

We usually omit braces If a hash is the last argument on a method call.

http://docs.ruby-lang.org/en/2.1.0/Hash.html#class-Hash-label-Common+Uses