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//// [genericCallWithObjectTypeArgsAndConstraints2.ts]
// Generic call with constraints infering type parameter from object member properties
// No errors expected
class Base {
x: string;
}
class Derived extends Base {
y: string;
}
function f<T extends Base>(x: { foo: T; bar: T }) {
var r: T;
return r;
}
var r = f({ foo: new Base(), bar: new Derived() });
var r2 = f({ foo: new Derived(), bar: new Derived() });
interface I<T> {
a: T;
}
function f2<T extends Base>(x: I<T>) {
var r: T;
return r;
}
var i: I<Derived>;
var r3 = f2(i);
function f3<T extends Base>(x: T, y: (a: T) => T) {
return y(null);
}
var r4 = f3(new Base(), x => x);
var r5 = f3(new Derived(), x => x);
var r6 = f3(null, null); // any
var r7 = f3(null, x => x); // any
//// [genericCallWithObjectTypeArgsAndConstraints2.js]
// Generic call with constraints infering type parameter from object member properties
// No errors expected
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var Base = /** @class */ (function () {
function Base() {
}
return Base;
}());
var Derived = /** @class */ (function (_super) {
__extends(Derived, _super);
function Derived() {
return _super !== null && _super.apply(this, arguments) || this;
}
return Derived;
}(Base));
function f(x) {
var r;
return r;
}
var r = f({ foo: new Base(), bar: new Derived() });
var r2 = f({ foo: new Derived(), bar: new Derived() });
function f2(x) {
var r;
return r;
}
var i;
var r3 = f2(i);
function f3(x, y) {
return y(null);
}
var r4 = f3(new Base(), function (x) { return x; });
var r5 = f3(new Derived(), function (x) { return x; });
var r6 = f3(null, null); // any
var r7 = f3(null, function (x) { return x; }); // any
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