TypeScript/tests/baselines/reference/genericCallWithObjectTypeArgsAndConstraints5.js
2015-12-08 17:51:10 -08:00

49 lines
1.2 KiB
TypeScript

//// [genericCallWithObjectTypeArgsAndConstraints5.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 r2 = foo(d, c); // the constraints are self-referencing, no downstream error
var r9 = foo(() => 1, () => { }); // the constraints are self-referencing, no downstream error
function other<T, U extends T>() {
var r5 = foo<T, U>(c, d); // error
}
//// [genericCallWithObjectTypeArgsAndConstraints5.js]
// Generic call with constraints infering type parameter from object member properties
var C = (function () {
function C() {
}
return C;
}());
var D = (function () {
function D() {
}
return D;
}());
function foo(t, t2) {
return function (x) { return t2; };
}
var c;
var d;
var r2 = foo(d, c); // the constraints are self-referencing, no downstream error
var r9 = foo(function () { return 1; }, function () { }); // the constraints are self-referencing, no downstream error
function other() {
var r5 = foo(c, d); // error
}