example3.rb

#!/usr/bin/env ruby

require_relative 'builder'

v1 = Versioning::Builder.build(1)
v1.first_name = 'Mario'
v1.last_name = 'Carrion'

puts v1.columns
puts v1.values

v2 = Versioning::Builder.build(2)
v2.first_name = 'Mario'
v2.last_name = 'Carrion'
v2.age = 99 # :-)

puts v2.columns
puts v2.values