From: William James <w_a_x_man@...>
Date: 2005-09-27T18:56:43+09:00
Subject: Re: String#ggsub


James Edward Gray II wrote:

> #!/usr/local/bin/ruby -w
>
> module Kernel
>      def complete
>          loop { break unless yield }
>      end
> end
>
> if __FILE__ == $0
>      digits = "3211"
>      complete { digits.gsub!(/(\d)\1+/) { |d| d[0, 1].to_i + 1 } }
>      p digits    # => "4"
> end

     complete { digits.gsub!(/(\d)\1+/) { $1.to_i + 1 } }