From: Simon Chiang <simon.a.chiang@...>
Date: 2009-01-21T00:26:23+09:00
Subject: Re: how can we call a method without using . operator

One more way uses colons:

  a = [1,2]
  a::length      # => 2
  a::push(3)     # => [1,2,3]
  a::length      # => 3