1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
=== tests/cases/compiler/destructuredMaappedTypeIsNotImplicitlyAny.ts ===
function foo<T extends string>(key: T, obj: { [_ in T]: number }) {
>foo : <T extends string>(key: T, obj: { [_ in T]: number; }) => void
>key : T
>obj : { [_ in T]: number; }
const { [key]: bar } = obj; // Element implicitly has an 'any' type because type '{ [_ in T]: number; }' has no index signature.
>key : T
>bar : { [_ in T]: number; }[T]
>obj : { [_ in T]: number; }
bar; // bar : any
>bar : { [_ in T]: number; }[T]
// Note: this does work:
const lorem = obj[key];
>lorem : { [_ in T]: number; }[T]
>obj[key] : { [_ in T]: number; }[T]
>obj : { [_ in T]: number; }
>key : T
}
|
