1.rb

require 'pry'
class ASS

  class << self
    def create_method(name, &block)
      puts self.inspect
      self.send(:define_method, name, &block)
    end

    def test(name, &block)
      puts self.inspect
      create_method(name, &block)
    end
  end

  test("xxx") { puts "YEEE"}


  test "bbb" do |a,b|
    puts a + b == 1
    puts "YEEE"
  end

end

a = ASS.new

binding.pry
a.xxx
a.bbb(3,6)