anchor.diff:        else
           @add(name, field.value)
   
  +  ###**
  +  TODO: Document me
  +  ###
     isEqual: (other) ->
       other && (@constructor == other.constructor) && u.isEqual(@entries, other.entries)
   
  
positive.code:   isArrayKey: (key) ->
      u.endsWith(key, '[]')
  
    isBlank: ->
      @entries.length == 0
  
  
negative.code: ###
  class up.Params
  
    ###**
    TODO: Document me
    ###
    constructor: (raw) ->
      @clear()
      @addAll(raw)
  
    ###**
    TODO: Document me
    ###
    clear: ->
      @entries = []
  
    ###**
    TODO: Document me
    ###
    copy: ->
      new up.Params(@)
  
  