# File lib/versionomy/format/delimiter.rb, line 245
      def unparse(value_, params_=nil)
        unparse_params_ = value_.unparse_params || default_unparse_params
        _interpret_field_lists(unparse_params_)
        if params_
          unparse_params_.merge!(params_)
          _interpret_field_lists(unparse_params_)
        end
        skipped_handler_list_ = nil
        requires_next_field_ = false
        string_ = ''
        value_.each_field_object do |field_, val_|
          handler_ = @field_handlers[field_.name]
          unparse_data_ = handler_.unparse(val_, unparse_params_, requires_next_field_)
          if unparse_data_
            if skipped_handler_list_ && handler_.requires_previous_field
              skipped_handler_list_.each do |pair_|
                frag_ = pair_[0].unparse(pair_[1], unparse_params_, true)
                unless frag_
                  raise Errors::UnparseError, "Field #{field_.name} empty although a prerequisite for a later field"
                end
                string_ << frag_[0]
              end
            end
            skipped_handler_list_ = nil
            string_ << unparse_data_[0]
            requires_next_field_ = unparse_data_[1]
          else
            if handler_.requires_previous_field
              (skipped_handler_list_ ||= []) << [handler_, val_]
            else
              skipped_handler_list_ = [[handler_, val_]]
            end
            requires_next_field_ = false
          end
        end
        string_ << (unparse_params_[:suffix] || '')
        string_
      end