metaprogramming.rb

16:41:30     davemox@Daves-MBP $ pry
[1] pry(main)> module Test
[1] pry(main)*   def test
[1] pry(main)*     puts "module Test"
[1] pry(main)*   end
[1] pry(main)* end
=> :test
[2] pry(main)> class Testy
[2] pry(main)*   prepend Test
[2] pry(main)*   def test
[2] pry(main)*     puts "class Testy"
[2] pry(main)*   end
[2] pry(main)* end
=> :test
[3] pry(main)> Testy.new.test
module Test
=> nil
[4] pry(main)> class Testerson
[4] pry(main)*   include Test
[4] pry(main)*   def test
[4] pry(main)*     puts "class Testerson"
[4] pry(main)*   end
[4] pry(main)* end
=> :test
[5] pry(main)> Testerson.new.test
class Testerson