function next( clbk ) {
		nextTick( onTick );

		/**
		* Callback invoked upon next turn of event loop.
		*
		* @private
		*/
		function onTick() {
			evaluate( code, opts, FILENAME, dir, clbk );
		}
	}
Evaluates a code snippet on the next turn of the event loop. Waiting until the next turn avoids the current turn being bogged down by a long running queue.

@private
@param {Callback} clbk - callback