Metaprogramming 001

class_new_001.rb

attributes = %w[name species]
MyClass = Class.new do
  puts attributes
  attr_accessor *attributes
  define_method :initialize do |data|
    puts attributes
    puts data
    attributes.each_with_index do |attribute, idx|
      puts "#{idx} : #{attribute} : #{data[idx]}"
      self.__send__ "#{attribute}=", data[idx]
    end
  end
end
 
v = MyClass.new(["Fred", "Wombat"])
puts v.methods(false)
puts v.inspect