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//// [genericCallWithObjectTypeArgs2.ts]
class Base {
x: string;
}
class Derived extends Base {
y: string;
}
class Derived2 extends Base {
z: string;
}
// returns {}[]
function f<T extends Base, U extends Base>(a: { x: T; y: U }) {
return [a.x, a.y];
}
var r = f({ x: new Derived(), y: new Derived2() }); // {}[]
var r2 = f({ x: new Base(), y: new Derived2() }); // {}[]
function f2<T extends Base, U extends Base>(a: { x: T; y: U }) {
return (x: T) => a.y;
}
var r3 = f2({ x: new Derived(), y: new Derived2() }); // Derived => Derived2
interface I<T, U> {
x: T;
y: U;
}
var i: I<Base, Derived>;
var r4 = f2(i); // Base => Derived
//// [genericCallWithObjectTypeArgs2.js]
var __extends = (this && this.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var Base = (function () {
function Base() {
}
return Base;
}());
var Derived = (function (_super) {
__extends(Derived, _super);
function Derived() {
return _super !== null && _super.apply(this, arguments) || this;
}
return Derived;
}(Base));
var Derived2 = (function (_super) {
__extends(Derived2, _super);
function Derived2() {
return _super !== null && _super.apply(this, arguments) || this;
}
return Derived2;
}(Base));
// returns {}[]
function f(a) {
return [a.x, a.y];
}
var r = f({ x: new Derived(), y: new Derived2() }); // {}[]
var r2 = f({ x: new Base(), y: new Derived2() }); // {}[]
function f2(a) {
return function (x) { return a.y; };
}
var r3 = f2({ x: new Derived(), y: new Derived2() }); // Derived => Derived2
var i;
var r4 = f2(i); // Base => Derived
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