Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Ruby Ruby Modules Include and Extend Being Included

Help with this

module Fetcher def self.included (klass) puts "I'll bring that #{klass} right back!" end end

class Dog include Fetcher attr_reader :name def initialize(name) @name = name end end

dog = Dog.new("Fido") dog.fetch("thing")

included.rb
module Fetcher
  def self.included (klass)
    puts "I'll bring that #{klass} right back!"
  end
end

class Dog
  include Fetcher
  attr_reader :name
  def initialize(name)
    @name = name
  end
end

dog = Dog.new("Fido")
dog.fetch("thing")

1 Answer

"fetch" is not defined. To fix this, be sure to add:

def fetch(item)
  puts "I'll bring that #{item} right back!"
end