46 lines
1.4 KiB
Text
46 lines
1.4 KiB
Text
|
==== tests/cases/conformance/types/typeRelationships/recursiveTypes/recursiveTypesUsedAsFunctionParameters.ts (1 errors) ====
|
||
|
class List<T> {
|
||
|
data: T;
|
||
|
next: List<List<T>>;
|
||
|
}
|
||
|
|
||
|
class MyList<T> {
|
||
|
data: T;
|
||
|
next: MyList<MyList<T>>;
|
||
|
}
|
||
|
|
||
|
function foo<T>(x: List<T>);
|
||
|
function foo<U>(x: List<U>); // error, duplicate
|
||
|
function foo<T>(x: List<T>) {
|
||
|
}
|
||
|
|
||
|
function foo2<T>(x: List<T>);
|
||
|
function foo2<U>(x: MyList<U>); // ok, nominally compared with first overload
|
||
|
function foo2<T>(x: any) {
|
||
|
}
|
||
|
|
||
|
function other<T extends List<U>, U>() {
|
||
|
~~~~~~~~~~~~~~~~~
|
||
|
!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
|
||
|
// error but wrong error
|
||
|
// BUG 838247
|
||
|
function foo3<V>(x: T);
|
||
|
function foo3<V>(x: MyList<V>) { }
|
||
|
|
||
|
// should be error
|
||
|
// BUG 838247
|
||
|
function foo4<V>(x: T);
|
||
|
function foo4<V>(x: List<V>) { }
|
||
|
|
||
|
// ok
|
||
|
function foo5<V>(x: T): string;
|
||
|
function foo5<V>(x: List<V>): number;
|
||
|
function foo5<V>(x: MyList<V>): boolean;
|
||
|
function foo5<V>(x: any): any { return null; }
|
||
|
|
||
|
var list: List<string>;
|
||
|
var myList: MyList<string>;
|
||
|
|
||
|
var r = foo5(list);
|
||
|
var r2 = foo5(myList);
|
||
|
}
|