# File lib/liquid/standardfilters.rb, line 83
    def map(input, property)
      ary = [input].flatten
      if ary.first.respond_to?('[]') and !ary.first[property].nil?
        ary.map {|e| e[property] }
      elsif ary.first.respond_to?(property)
        ary.map {|e| e.send(property) }
      end
    end