Method: ActiveSupport::Concern#class_methods

Defined in:
activesupport/lib/active_support/concern.rb

#class_methods(&class_methods_module_definition) ⇒ Object

Define class methods from given block. You can define private class methods as well.

module Example
  extend ActiveSupport::Concern

  class_methods do
    def foo; puts 'foo'; end

    private
      def bar; puts 'bar'; end
  end
end

class Buzz
  include Example
end

Buzz.foo # => "foo"
Buzz.bar # => private method 'bar' called for Buzz:Class(NoMethodError)



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# File 'activesupport/lib/active_support/concern.rb', line 209

def class_methods(&class_methods_module_definition)
  mod = const_defined?(:ClassMethods, false) ?
    const_get(:ClassMethods) :
    const_set(:ClassMethods, Module.new)

  mod.module_eval(&class_methods_module_definition)
end