132 lines
3.5 KiB
TypeScript
132 lines
3.5 KiB
TypeScript
//// [classAbstractInstantiations2.ts]
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class A {
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// ...
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}
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abstract class B {
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foo(): number { return this.bar(); }
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abstract bar() : number;
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}
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new B; // error
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var BB: typeof B = B;
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var AA: typeof A = BB; // error, AA is not of abstract type.
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new AA;
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function constructB(Factory : typeof B) {
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new Factory; // error -- Factory is of type typeof B.
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}
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var BB = B;
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new BB; // error -- BB is of type typeof B.
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var x : any = C;
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new x; // okay -- undefined behavior at runtime
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class C extends B { } // error -- not declared abstract
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abstract class D extends B { } // okay
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class E extends B { // okay -- implements abstract method
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bar() { return 1; }
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}
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abstract class F extends B {
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abstract foo() : number;
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bar() { return 2; }
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}
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abstract class G {
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abstract qux(x : number) : string;
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abstract qux() : number;
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y : number;
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abstract quz(x : number, y : string) : boolean; // error -- declarations must be adjacent
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abstract nom(): boolean;
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nom(x : number): boolean; // error -- use of modifier abstract must match on all overloads.
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}
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class H { // error -- not declared abstract
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abstract baz() : number;
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}
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//// [classAbstractInstantiations2.js]
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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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 (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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if (typeof b !== "function" && b !== null)
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throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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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 A = /** @class */ (function () {
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function A() {
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}
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return A;
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}());
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var B = /** @class */ (function () {
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function B() {
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}
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B.prototype.foo = function () { return this.bar(); };
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return B;
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}());
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new B; // error
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var BB = B;
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var AA = BB; // error, AA is not of abstract type.
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new AA;
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function constructB(Factory) {
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new Factory; // error -- Factory is of type typeof B.
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}
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var BB = B;
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new BB; // error -- BB is of type typeof B.
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var x = C;
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new x; // okay -- undefined behavior at runtime
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var C = /** @class */ (function (_super) {
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__extends(C, _super);
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function C() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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return C;
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}(B)); // error -- not declared abstract
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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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return _super !== null && _super.apply(this, arguments) || this;
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}
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return D;
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}(B)); // okay
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var E = /** @class */ (function (_super) {
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__extends(E, _super);
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function E() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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E.prototype.bar = function () { return 1; };
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return E;
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}(B));
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var F = /** @class */ (function (_super) {
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__extends(F, _super);
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function F() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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F.prototype.bar = function () { return 2; };
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return F;
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}(B));
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var G = /** @class */ (function () {
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function G() {
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}
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return G;
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}());
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var H = /** @class */ (function () {
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function H() {
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}
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return H;
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}());
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