# Reddit thread: http://www.reddit.com/r/ruby/comments/217yvm/trivia_ruby_quiz/ | |
# Quiz page: http://makaroni4.com/ruby/quiz/2014/03/24/ruby-quiz/ | |
# Explanation link: http://www.medihack.org/2011/03/15/intend-to-extend/ | |
# Code example: | |
module Human | |
def eat | |
puts "Yam" | |
end | |
end | |
class Robocop | |
def shoot | |
end | |
end | |
class User | |
extend Human | |
end | |
User.eat # => Yam | |
class User | |
extend Human | |
extend Robocop | |
end | |
# => wrong argument type Class (expected Module) |
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