1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
=== tests/cases/compiler/promiseIdentityWithAny.ts ===
export interface IPromise<T, V> {
then<U, W>(callback: (x: T) => IPromise<U, W>): IPromise<U, W>;
>then : <U, W>(callback: (x: T) => IPromise<U, W>) => IPromise<U, W>
>callback : (x: T) => IPromise<U, W>
>x : T
}
export interface Promise<T, V> {
then<U, W>(callback: (x: T) => Promise<any, any>): Promise<any, any>;
>then : <U, W>(callback: (x: T) => Promise<any, any>) => Promise<any, any>
>callback : (x: T) => Promise<any, any>
>x : T
}
// Should be ok because signature type parameters get erased to any
var x: IPromise<string, number>;
>x : IPromise<string, number>
var x: Promise<string, boolean>;
>x : IPromise<string, number>
|
