code: function isTypeAtIndex(type, list, index) {
  		return list.length > index && 'type' in list[index] ? list[index].type === type : false;
  	}
docs: Compare the type of the argument at a specific position within a collection
  @name    isTypeAtIndex
  @access  internal
  @param   string type
  @param   array  arguments
  @param   int    index
  @return  boolean type at index