File: varianceCantBeStrictWhileStructureIsnt.ts

package info (click to toggle)
node-typescript 5.2.2-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 497,488 kB
  • sloc: javascript: 2,107,274; makefile: 6; sh: 1
file content (28 lines) | stat: -rw-r--r-- 414 bytes parent folder | download 
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
 
// @strict: false
// @strictFunctionTypes: false
// under non-strict-function-types, all the below should work
interface Foo<T> {
    member: (cb: T) => void;
}

interface Bar<T> {
    member: (cb: T) => void;
}

declare var a: Foo<string>;
declare var b: Foo<"">;

declare var a2: Bar<string>;
declare var b2: Bar<"">;

a = b;
b = a;

a2 = b2;
b2 = a2;

a = b2;
b = a2;

a2 = b;
b2 = a;