whole_func_string: function (obj, keys) {
  	    return _map(function (k) {
  	      return _quote(k) + ': ' + recur(obj[k]);
  	    }, keys.slice().sort());
  	  }
func_code_string: function (obj, keys) {
  	    return _map(function (k) {
  	      return _quote(k) + ': ' + recur(obj[k]);
  	    }, keys.slice().sort());
  	  }
func_documentation_string: mapPairs :: (Object, [String]) -> [String]