selfoo.rb

class Selfoo

  # bar # Why doesn't this work?

  def self.foo
    puts "foo"
  end
  
  class << self
    # puts foo  # Why doesn't this work?
    def bar
      puts "bar"
    end
  end

  
  def deftest
    self.class.foo
  end
  
end

# Selfoo.foo
# Selfoo.bar

# Selfoo.new.deftest