Example of using Forwardable with def_delegators

README.markdown

An example of using forwardable for anyone who hasn't used it before.

This is built into Rails via the delegate method (which has some extra features, like creating methods with prefixes and whatnot)

Output

$ ./UsingForwardable.rb 
0
2
Thing
Another Thing

UsingForwardable.rb

require 'forwardable'

class BagOfStuff
  extend Forwardable

  def_delegators :@stuff, :<<, :length, :each

  def initialize
    @stuff = []
  end

  def some;     end
  def methods;  end
  def specific; end
  def to;       end
  def a;        end
  def bag;      end
  def of;       end
  def stuff;    end

end

stuff = BagOfStuff.new

puts stuff.length
stuff << "Thing"
stuff << "Another Thing"
puts stuff.length

stuff.each do |thing|
  puts thing
end