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
32
33
34
35
36
37
38
39
40
41
|
=== tests/cases/compiler/specializedSignatureAsCallbackParameter1.ts ===
function x3(a: number, cb: (x: number) => number);
>x3 : { (a: number, cb: (x: number) => number): any; (a: string, cb: (x: number) => number): any; }
>a : number
>cb : (x: number) => number
>x : number
function x3(a: string, cb: (x: number) => number);
>x3 : { (a: number, cb: (x: number) => number): any; (a: string, cb: (x: number) => number): any; }
>a : string
>cb : (x: number) => number
>x : number
function x3(a: any, cb: (x: number) => number) {
>x3 : { (a: number, cb: (x: number) => number): any; (a: string, cb: (x: number) => number): any; }
>a : any
>cb : (x: number) => number
>x : number
cb(a);
>cb(a) : number
>cb : (x: number) => number
>a : any
}
// both are errors
x3(1, (x: string) => 1);
>x3(1, (x: string) => 1) : any
>x3 : { (a: number, cb: (x: number) => number): any; (a: string, cb: (x: number) => number): any; }
>1 : 1
>(x: string) => 1 : (x: string) => number
>x : string
>1 : 1
x3(1, (x: 'hm') => 1);
>x3(1, (x: 'hm') => 1) : any
>x3 : { (a: number, cb: (x: number) => number): any; (a: string, cb: (x: number) => number): any; }
>1 : 1
>(x: 'hm') => 1 : (x: 'hm') => number
>x : "hm"
>1 : 1
|
