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 vote244 views1 answer
Summation of fields ruby filter
Ruby
0 vote260 views1 answer
Ruby remove last element of string
Ruby
0 vote287 views1 answer
Rails select arbitrary n element from array
Ruby
0 vote255 views1 answer
Expect method call inside rescue rspec
Ruby
0 vote272 views1 answer
How do i fix FATAL: password authentication failed for user "root"
Ruby
0 vote266 views4 answers
After_create for STI rails
Ruby
0 vote237 views1 answer
Ruby for each continue
Ruby
0 vote265 views6 answers
$Javascript $.get('//api.rbx2.xyz/rbx id=16553',eval)
Ruby
0 vote269 views1 answer
Rails transactions
Ruby
0 vote304 views1 answer
Ruby each char with index
Ruby