File: genericCallWithObjectTypeArgsAndConstraints4.js

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//// [genericCallWithObjectTypeArgsAndConstraints4.ts]
// Generic call with constraints infering type parameter from object member properties

class C {
    x: string;
}

class D {
    x: string;
    y: string;
}

function foo<T, U extends T>(t: T, t2: U) {
    return (x: T) => t2;
}

var c: C;
var d: D;
var r = foo(c, d);
var r2 = foo(d, c); // error because C does not extend D
var r3 = foo(c, { x: '', foo: c });
var r4 = foo(null, null);
var r5 = foo({}, null);
var r6 = foo(null, {});
var r7 = foo({}, {});
var r8 = foo(() => { }, () => { });
var r9 = foo(() => { }, () => 1);

function other<T, U extends T>() {
    var r4 = foo(c, d);
    var r5 = foo<T, U>(c, d); // error
}



//// [genericCallWithObjectTypeArgsAndConstraints4.js]
// Generic call with constraints infering type parameter from object member properties
var C = /** @class */ (function () {
    function C() {
    }
    return C;
}());
var D = /** @class */ (function () {
    function D() {
    }
    return D;
}());
function foo(t, t2) {
    return function (x) { return t2; };
}
var c;
var d;
var r = foo(c, d);
var r2 = foo(d, c); // error because C does not extend D
var r3 = foo(c, { x: '', foo: c });
var r4 = foo(null, null);
var r5 = foo({}, null);
var r6 = foo(null, {});
var r7 = foo({}, {});
var r8 = foo(function () { }, function () { });
var r9 = foo(function () { }, function () { return 1; });
function other() {
    var r4 = foo(c, d);
    var r5 = foo(c, d); // error
}