update (DataMapper::Adapters::YamlAdapter)

    # File lib/dm-core/adapters/yaml_adapter.rb, line 26
          def update(attributes, collection)
            attributes = attributes_as_fields(attributes)

            update_records(collection.model) do |records|
              records_to_update = collection.query.filter_records(records.dup)
              records_to_update.each { |resource| resource.update(attributes) }.size
            end
          end