///
////class Collection {
//// public add(x: T) { }
////}
////interface Utils {
//// fold(c: Collection, folder: (s: S, t: T) => T, init?: S): T;
////}
////var c = new Collection();
////var utils: Utils;
////var /*1*/r = utils.fold(c, (s, t) => t, "");
////var /*2*/r2 = utils.fold(c, (s, t) => t);
goTo.marker('1');
verify.quickInfoIs('(var) r: string');
goTo.marker('2');
verify.quickInfoIs('(var) r2: string');