Marshal for Sequel models (using #marshal_dump and #marshal_load)

marshal_sequel_with_marshal_dump.rb

module Sequel
  class Model
    module InstanceMethods
      def marshal_dump
        marshallable!
        Hash[instance_variables.map { |iv| [iv, instance_variable_get(iv)] }]
      end

      def marshal_load(variables)
        variables.each { |k, v| instance_variable_set(k, v) }
      end
    end
  end
end