TypeScript/tests/baselines/reference/typeParameterAsTypeParameterConstraintTransitively.js
2014-07-12 17:30:19 -07:00

48 lines
1.3 KiB
JavaScript

//// [typeParameterAsTypeParameterConstraintTransitively.ts]
// using a type parameter as a constraint for a type parameter is valid
// no errors expected
interface A { foo: number }
interface B extends A { bar: string; }
interface C extends B { baz: boolean; }
var a: A;
var b: B;
var c: C;
function foo<T, U, V>(x: T, y: U, z: V): V { return z; }
//function foo<T, U extends T, V extends U>(x: T, y: U, z: V): V { return z; }
foo(1, 2, 3);
foo({ x: 1 }, { x: 1, y: '' }, { x: 2, y: '', z: true });
foo(a, b, c);
foo(a, b, { foo: 1, bar: '', hm: true });
foo((x: number, y) => { }, (x) => { }, () => { });
function foo2<T extends A, U, V>(x: T, y: U, z: V): V { return z; }
//function foo2<T extends A, U extends T, V extends U>(x: T, y: U, z: V): V { return z; }
foo(a, a, a);
foo(a, b, c);
foo(b, b, { foo: 1, bar: '', hm: '' });
//// [typeParameterAsTypeParameterConstraintTransitively.js]
var a;
var b;
var c;
function foo(x, y, z) {
return z;
}
foo(1, 2, 3);
foo({ x: 1 }, { x: 1, y: '' }, { x: 2, y: '', z: true });
foo(a, b, c);
foo(a, b, { foo: 1, bar: '', hm: true });
foo(function (x, y) {
}, function (x) {
}, function () {
});
function foo2(x, y, z) {
return z;
}
foo(a, a, a);
foo(a, b, c);
foo(b, b, { foo: 1, bar: '', hm: '' });