Function flatRest

test-app/public/sinon.js:16471–16473

* A specialized version of `baseRest` which flattens the rest array. * * @private * @param {Function} func The function to apply a rest parameter to. * @returns {Function} Returns the new function.

(func)

         * @returns {Function} Returns the new function.
         */
        function flatRest(func) {
          return setToString(overRest(func, undefined, flatten), func + '');
        }
    
        /**
         * Creates an array of own enumerable property names and symbols of `object`.