101 lines
2.7 KiB
TypeScript
101 lines
2.7 KiB
TypeScript
//// [typeRelationships.ts]
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class C {
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self = this;
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c = new C();
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foo() {
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return this;
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}
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f1() {
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this.c = this.self;
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this.self = this.c; // Error
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}
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f2() {
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var a: C[];
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var a = [this, this.c]; // C[] since this is subtype of C
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var b: this[];
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var b = [this, this.self, null, undefined];
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}
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f3(b: boolean) {
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return b ? this.c : this.self; // Should be C
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}
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}
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class D extends C {
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self1 = this;
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self2 = this.self;
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self3 = this.foo();
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d = new D();
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bar() {
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this.self = this.self1;
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this.self = this.self2;
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this.self = this.self3;
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this.self1 = this.self;
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this.self2 = this.self;
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this.self3 = this.self;
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this.d = this.self;
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this.d = this.c; // Error
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this.self = this.d; // Error
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this.c = this.d;
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}
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}
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//// [typeRelationships.js]
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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return function (d, b) {
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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var C = /** @class */ (function () {
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function C() {
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this.self = this;
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this.c = new C();
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}
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C.prototype.foo = function () {
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return this;
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};
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C.prototype.f1 = function () {
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this.c = this.self;
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this.self = this.c; // Error
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};
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C.prototype.f2 = function () {
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var a;
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var a = [this, this.c]; // C[] since this is subtype of C
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var b;
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var b = [this, this.self, null, undefined];
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};
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C.prototype.f3 = function (b) {
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return b ? this.c : this.self; // Should be C
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};
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return C;
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}());
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var D = /** @class */ (function (_super) {
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__extends(D, _super);
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function D() {
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var _this = _super !== null && _super.apply(this, arguments) || this;
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_this.self1 = _this;
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_this.self2 = _this.self;
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_this.self3 = _this.foo();
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_this.d = new D();
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return _this;
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}
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D.prototype.bar = function () {
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this.self = this.self1;
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this.self = this.self2;
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this.self = this.self3;
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this.self1 = this.self;
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this.self2 = this.self;
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this.self3 = this.self;
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this.d = this.self;
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this.d = this.c; // Error
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this.self = this.d; // Error
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this.c = this.d;
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};
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return D;
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}(C));
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