Ways to define class methods

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Sep 9 ’11

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Ways to define class methods

There are different ways to create class methods in Ruby. These three are probably the most common ones. They all do the same.

class Blog

  def self.foo
    puts 'I am a class method'
  end

  def Blog.bar
    puts 'I am a class method, too'
  end

  class << self
    def foobar
      puts 'I am another class method'
    end
  end

end

There are even more ways to define class methods. Check out these two post for more:

Ruby: Defining Class Methods
Class and Instance Methods in Ruby

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