File: tupleTypeInference.js

package info (click to toggle)
node-typescript 3.3.3333-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 324,548 kB
  • sloc: makefile: 6; sh: 3
file content (31 lines) | stat: -rw-r--r-- 934 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
//// [tupleTypeInference.ts]
declare var $q: IQService;

interface IQService {
    all<T1, T2, T3>(x: [IPromise<T1>, IPromise<T2>, IPromise<T3>]): IPromise<[T1, T2, T3]>;
    all<T1, T2>(x: [IPromise<T1>, IPromise<T2>]): IPromise<[T1, T2]>;
    all<T1>(x: [IPromise<T1>]): IPromise<[T1]>;
    when<T>(t?: T): IPromise<T>;
}

interface IPromise<T> {
    then<TResult>(callback: (t: T) => TResult): IPromise<TResult>;
}

// Implicit different types
var a = $q.all([$q.when<string>(), $q.when<number>()]);

// Explicit different types
var b = $q.all<string, number>([$q.when<string>(), $q.when<number>()]);

// Implicit identical types
var c = $q.all([$q.when<string>(), $q.when<string>()]);


//// [tupleTypeInference.js]
// Implicit different types
var a = $q.all([$q.when(), $q.when()]);
// Explicit different types
var b = $q.all([$q.when(), $q.when()]);
// Implicit identical types
var c = $q.all([$q.when(), $q.when()]);