code: function _gpfFuncImpl (params, source) {
      _gpfAssert(typeof source === "string" && source.length, "Source expected (or use _gpfEmptyFunc)");
      /*#ifdef(DEBUG)*/
      try {
          /*#endif*/
          return _gpfFuncUnsafe(params, source);
          /*#ifdef(DEBUG)*/
      } catch (e) {
          throw _gpfFuncImplDocumentError(e, params, source);
      }
      /*#endif*/
  }
docs: /*#endif Protected version of _gpfFunc