44 lines
969 B
TypeScript
44 lines
969 B
TypeScript
//// [classIsSubtypeOfBaseType.ts]
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class Base<T> {
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foo: T;
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}
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class Derived extends Base<{ bar: string; }> {
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foo: {
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bar: string; baz: number; // ok
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}
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}
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class Derived2 extends Base<{ bar: string; }> {
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foo: {
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bar?: string; // error
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}
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}
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//// [classIsSubtypeOfBaseType.js]
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var __extends = this.__extends || function (d, b) {
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for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
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function __() { this.constructor = d; }
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__.prototype = b.prototype;
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d.prototype = new __();
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};
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var Base = (function () {
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function Base() {
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}
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return Base;
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})();
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var Derived = (function (_super) {
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__extends(Derived, _super);
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function Derived() {
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_super.apply(this, arguments);
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}
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return Derived;
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})(Base);
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var Derived2 = (function (_super) {
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__extends(Derived2, _super);
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function Derived2() {
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_super.apply(this, arguments);
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}
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return Derived2;
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})(Base);
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