Olgagr

shared_examples('title of shared examples') do
  #some examples here
end

#then in a spec

describe 'something' do
  
  it_behaves_like 'title of shared examples'
  

Olgagr

# in application.rb
config.to_prepare do
  Devise::Mailer.layout "email_template" # in views/layouts
end

Olgagr

# to do it we have to define === method inside our class

class Ticket

  attr_accessor :venue, :date, :price
  
  def initialize(venue, date, price)
    self.venue = venue
    self.date = date
    self.price = price

Olgagr

#to use this module the class has to mixin it and define <=> method

class Bid
  
  include Comparable
  attr_accessor :estimate
  
  def <=>(other_bid)
    if self.estimate > other_bid.estimate
      1