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