require 'active_support/core_ext/hash/indifferent_access'
require 'active_support/hash_with_indifferent_access'

module MemoryModel
  class Base
    module Operations
      module Comparisons

        def ==(other_object)
          attributes.slice(*fields.comparable) ==
            other_object.to_hash.with_indifferent_access.slice(*fields.comparable)
        end

        def !=(other_object)
          !(self == other_object)
        end

        def ===(other_object)
          other_object.kind_of?(self.class) && self == other_object
        end

      end
    end
  end
end