86 lines
1.7 KiB
TypeScript
86 lines
1.7 KiB
TypeScript
//// [subtypingWithNumericIndexer5.ts]
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// Derived type indexer must be subtype of base type indexer
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interface Base { foo: string; }
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interface Derived extends Base { bar: string; }
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interface Derived2 extends Derived { baz: string; }
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interface A {
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[x: number]: Derived;
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}
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class B implements A {
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[x: string]: Base; // error
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}
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class B2 implements A {
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[x: string]: Derived2; // ok
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}
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module Generics {
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interface A<T extends Base> {
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[x: number]: T;
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}
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class B implements A<Base> {
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[x: string]: Derived; // ok
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}
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class B2 implements A<Derived> {
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[x: string]: Derived2; // ok
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}
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class B3<T extends Derived> implements A<T> {
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[x: string]: Base; // error
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}
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class B4<T extends Derived> implements A<T> {
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[x: string]: Derived; // error
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}
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class B5<T extends Derived2> implements A<T> {
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[x: string]: Derived2; // error
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}
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}
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//// [subtypingWithNumericIndexer5.js]
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// Derived type indexer must be subtype of base type indexer
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var B = (function () {
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function B() {
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}
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return B;
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})();
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var B2 = (function () {
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function B2() {
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}
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return B2;
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})();
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var Generics;
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(function (Generics) {
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var B = (function () {
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function B() {
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}
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return B;
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})();
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var B2 = (function () {
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function B2() {
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}
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return B2;
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})();
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var B3 = (function () {
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function B3() {
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}
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return B3;
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})();
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var B4 = (function () {
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function B4() {
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}
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return B4;
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})();
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var B5 = (function () {
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function B5() {
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}
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return B5;
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})();
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})(Generics || (Generics = {}));
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