temp.rb

class Temp
  attr_accessor :name
  
  def initialize(name)
    @name = name
  end
end

a = Temp.new("Edipo")
b = Temp.new("Joao")

def a.new_method
  puts "new method for a"
end

#a.send(:new_method) #Dynamically

#closures
second_name = "Jacob"

Temp.send(:define_method, 'second_name') do
  puts "#{name} second name is #{second_name}"
end

def max(4)
  
end