80 lines
No EOL
1.8 KiB
TypeScript
80 lines
No EOL
1.8 KiB
TypeScript
/// <reference path="fourslash.ts" />
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//// class RoyalGuard {
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//// isLeader(): this is LeadGuard {
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//// return this instanceof LeadGuard;
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//// }
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//// isFollower(): this is FollowerGuard {
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//// return this instanceof FollowerGuard;
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//// }
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//// }
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////
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//// class LeadGuard extends RoyalGuard {
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//// lead(): void {};
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//// }
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////
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//// class FollowerGuard extends RoyalGuard {
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//// follow(): void {};
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//// }
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////
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//// let a: RoyalGuard = new FollowerGuard();
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//// if (a.is/*1*/Leader()) {
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//// a./*2*/;
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//// }
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//// else if (a.is/*3*/Follower()) {
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//// a./*4*/;
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//// }
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////
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//// interface GuardInterface {
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//// isLeader(): this is LeadGuard;
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//// isFollower(): this is FollowerGuard;
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//// }
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////
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//// let b: GuardInterface;
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//// if (b.is/*5*/Leader()) {
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//// b./*6*/;
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//// }
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//// else if (b.is/*7*/Follower()) {
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//// b./*8*/;
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//// }
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////
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//// if (((a.isLeader)())) {
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//// a./*9*/;
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//// }
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//// else if (((a).isFollower())) {
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//// a./*10*/;
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//// }
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////
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//// if (((a["isLeader"])())) {
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//// a./*11*/;
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//// }
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//// else if (((a)["isFollower"]())) {
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//// a./*12*/;
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//// }
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////
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//// let leader/*13*/Status = a.isLeader();
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//// function isLeaderGuard(g: RoyalGuard) {
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//// return g.isLeader();
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//// }
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//// let checked/*14*/LeaderStatus = isLeader/*15*/Guard(a);
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goTo.marker("2");
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verify.completionListContains("lead");
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goTo.marker("4");
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verify.completionListContains("follow");
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goTo.marker("6");
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verify.completionListContains("lead");
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goTo.marker("8");
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verify.completionListContains("follow");
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goTo.marker("9");
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verify.completionListContains("lead");
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goTo.marker("10");
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verify.completionListContains("follow");
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goTo.marker("11");
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verify.completionListContains("lead");
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goTo.marker("12");
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verify.completionListContains("follow"); |