67 lines
1.4 KiB
TypeScript
67 lines
1.4 KiB
TypeScript
//// [instantiatedReturnTypeContravariance.ts]
|
|
interface B<T> {
|
|
|
|
name: string;
|
|
|
|
x(): T;
|
|
|
|
}
|
|
|
|
class c {
|
|
|
|
foo(): B<void> {
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
class d extends c {
|
|
|
|
foo(): B<number> {
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//// [instantiatedReturnTypeContravariance.js]
|
|
var __extends = (this && this.__extends) || (function () {
|
|
var extendStatics = function (d, b) {
|
|
extendStatics = Object.setPrototypeOf ||
|
|
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
|
|
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
|
|
return extendStatics(d, b);
|
|
};
|
|
return function (d, b) {
|
|
if (typeof b !== "function" && b !== null)
|
|
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
|
|
extendStatics(d, b);
|
|
function __() { this.constructor = d; }
|
|
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
|
|
};
|
|
})();
|
|
var c = /** @class */ (function () {
|
|
function c() {
|
|
}
|
|
c.prototype.foo = function () {
|
|
return null;
|
|
};
|
|
return c;
|
|
}());
|
|
var d = /** @class */ (function (_super) {
|
|
__extends(d, _super);
|
|
function d() {
|
|
return _super !== null && _super.apply(this, arguments) || this;
|
|
}
|
|
d.prototype.foo = function () {
|
|
return null;
|
|
};
|
|
return d;
|
|
}(c));
|