File: typeGuardNarrowsIndexedAccessOfKnownProperty12.types

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=== tests/cases/compiler/typeGuardNarrowsIndexedAccessOfKnownProperty12.ts ===
enum E {
>E : E

    A = "A",
>A : E.A
>"A" : "A"

    B = "B"
>B : E.B
>"B" : "B"
}

declare const m: { [K in E]: string | null };
>m : { A: string | null; B: string | null; }
>null : null

if (m[E.A] !== null) {
>m[E.A] !== null : boolean
>m[E.A] : string | null
>m : { A: string | null; B: string | null; }
>E.A : E.A
>E : typeof E
>A : E.A
>null : null

    m[E.A].toString(); // string
>m[E.A].toString() : string
>m[E.A].toString : () => string
>m[E.A] : string
>m : { A: string | null; B: string | null; }
>E.A : E.A
>E : typeof E
>A : E.A
>toString : () => string
}