method
    
    fetch
 
  fetch(key, *args)
  public
  Returns the header field corresponding to the case-insensitive key. Returns the default value args, or the result of the block, or raises an IndexError if there’s no header field named key See Hash#fetch

 RSpec
RSpec Ruby on Rails
Ruby on Rails Ruby
Ruby 
   
   
   
    
 
   = protected
 = protected
  