anchor.diff:  * delegation to class variables
   * delegation to constants
   * delegation to objects
  -* different arguments passed to the delegate
   
   ## Contributing
   1. Fork it ( https://github.com/dwhelan/delegate_matcher/fork )
  
positive.code: 
  ```ruby
  describe Post do
    it { should delegate(:name).with('Ms.')to(:author).with('Miss') }  # name('Ms.')  => author.name('Miss')
  end
  ```
  
  
negative.code: ```
  However, don't use the following features as they are not supported by the delegate method:
  * delegation to objects
  
  ### Forwardable Module
  You can test delegation based on the [Forwardable](http://ruby-doc.org/stdlib-2.0.0/libdoc/forwardable/rdoc/Forwardable.html) module.
  