2014-07-13 01:04:16 +02:00
|
|
|
//// [baseIndexSignatureResolution.ts]
|
|
|
|
class Base { private a: string; }
|
|
|
|
class Derived extends Base { private b: string; }
|
|
|
|
|
|
|
|
// Note - commmenting "extends Foo" prevents the error
|
|
|
|
interface Foo {
|
|
|
|
[i: number]: Base;
|
|
|
|
}
|
|
|
|
interface FooOf<TBase extends Base> extends Foo {
|
|
|
|
[i: number]: TBase;
|
|
|
|
}
|
|
|
|
var x: FooOf<Derived> = null;
|
|
|
|
var y: Derived = x[0];
|
|
|
|
|
|
|
|
/*
|
|
|
|
// Note - the equivalent for normal interface methods works fine:
|
|
|
|
interface A {
|
|
|
|
foo(): Base;
|
|
|
|
}
|
|
|
|
interface B<TBase extends Base> extends A {
|
|
|
|
foo(): TBase;
|
|
|
|
}
|
|
|
|
var b: B<Derived> = null;
|
|
|
|
var z: Derived = b.foo();
|
|
|
|
*/
|
|
|
|
|
|
|
|
//// [baseIndexSignatureResolution.js]
|
|
|
|
var __extends = this.__extends || function (d, b) {
|
|
|
|
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
|
|
|
|
function __() { this.constructor = d; }
|
|
|
|
__.prototype = b.prototype;
|
|
|
|
d.prototype = new __();
|
|
|
|
};
|
|
|
|
var Base = (function () {
|
|
|
|
function Base() {
|
|
|
|
}
|
|
|
|
return Base;
|
|
|
|
})();
|
|
|
|
var Derived = (function (_super) {
|
|
|
|
__extends(Derived, _super);
|
|
|
|
function Derived() {
|
|
|
|
_super.apply(this, arguments);
|
|
|
|
}
|
|
|
|
return Derived;
|
|
|
|
})(Base);
|
|
|
|
var x = null;
|
|
|
|
var y = x[0];
|
2014-12-03 01:09:41 +01:00
|
|
|
/*
|
|
|
|
// Note - the equivalent for normal interface methods works fine:
|
|
|
|
interface A {
|
|
|
|
foo(): Base;
|
|
|
|
}
|
|
|
|
interface B<TBase extends Base> extends A {
|
|
|
|
foo(): TBase;
|
|
|
|
}
|
|
|
|
var b: B<Derived> = null;
|
|
|
|
var z: Derived = b.foo();
|
|
|
|
class Base { private a: string; }
|
|
|
|
class Derived extends Base { private b: string; }
|
|
|
|
|
|
|
|
// Note - commmenting "extends Foo" prevents the error
|
|
|
|
interface Foo {
|
|
|
|
[i: number]: Base;
|
|
|
|
}
|
|
|
|
interface FooOf<TBase extends Base> extends Foo {
|
|
|
|
[i: number]: TBase;
|
|
|
|
}
|
|
|
|
var x: FooOf<Derived> = null;
|
|
|
|
var y: Derived = x[0];
|
|
|
|
|
|
|
|
/*
|
|
|
|
// Note - the equivalent for normal interface methods works fine:
|
|
|
|
interface A {
|
|
|
|
foo(): Base;
|
|
|
|
}
|
|
|
|
interface B<TBase extends Base> extends A {
|
|
|
|
foo(): TBase;
|
|
|
|
}
|
|
|
|
var b: B<Derived> = null;
|
|
|
|
var z: Derived = b.foo();
|
|
|
|
|