Ruby extend

module ReusableModule
  def module_method
    puts "Module Method: Hi there!"
  end
end

class ClassThatIncludes
  include ReusableModule
end
class ClassThatExtends
  extend ReusableModule
end

puts "Include"
ClassThatIncludes.new.module_method       # "Module Method: Hi there!"
puts "Extend"
ClassThatExtends.module_method            # "Module Method: Hi there!"

Source: stackoverflow.com

Similar codes

0 vote179 views2 answers
T.references rails
Ruby
1 vote203 views2 answers
Create a new hash from existing hash ruby
Ruby
0 vote179 views2 answers
Ruby timestamp
Ruby
0 vote245 views1 answer
Ruby change directory
Ruby
1 vote190 views1 answer
Rails get current database name
Ruby
4 votes264 views1 answer
Rails where this or that
Ruby
0 vote191 views1 answer
Ruby is method defined
Ruby
1 vote184 views1 answer
Rails friend request
Ruby
0 vote184 views1 answer
Rotate array by k times in rails
Ruby
5 votes272 views1 answer
See all rails routes in browser
Ruby