wrap_list (Capistrano::Role)

    # File lib/capistrano/role.rb, line 87
        def self.wrap_list (*list)
          options = list.last.is_a?(Hash) ? list.pop : {}
          if list.length == 1
            if list.first.nil?
              return []
            elsif list.first.is_a?(Array)
              list = list.first
            end
          end
          options.merge! list.pop if list.last.is_a?(Hash)
          list.map do |item|
            self.wrap_server item, options
          end
        end