File: keyofAndForIn.types

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=== tests/cases/conformance/types/keyof/keyofAndForIn.ts ===
// Repro from #12513

function f1<K extends string, T>(obj: { [P in K]: T }, k: K) {
>f1 : <K extends string, T>(obj: { [P in K]: T; }, k: K) => void
>obj : { [P in K]: T; }
>k : K

    const b = k in obj;
>b : boolean
>k in obj : boolean
>k : K
>obj : { [P in K]: T; }

    let k1: K;
>k1 : K

    for (k1 in obj) {
>k1 : K
>obj : { [P in K]: T; }

        let x1 = obj[k1];
>x1 : { [P in K]: T; }[K]
>obj[k1] : { [P in K]: T; }[K]
>obj : { [P in K]: T; }
>k1 : K
    }
    for (let k2 in obj) {
>k2 : Extract<K, string>
>obj : { [P in K]: T; }

        let x2 = obj[k2];
>x2 : { [P in K]: T; }[Extract<K, string>]
>obj[k2] : { [P in K]: T; }[Extract<K, string>]
>obj : { [P in K]: T; }
>k2 : Extract<K, string>
    }
}

function f2<T>(obj: { [P in keyof T]: T[P] }, k: keyof T) {
>f2 : <T>(obj: { [P in keyof T]: T[P]; }, k: keyof T) => void
>obj : { [P in keyof T]: T[P]; }
>k : keyof T

    const b = k in obj;
>b : boolean
>k in obj : boolean
>k : keyof T
>obj : { [P in keyof T]: T[P]; }

    let k1: keyof T;
>k1 : keyof T

    for (k1 in obj) {
>k1 : keyof T
>obj : { [P in keyof T]: T[P]; }

        let x1 = obj[k1];
>x1 : { [P in keyof T]: T[P]; }[keyof T]
>obj[k1] : { [P in keyof T]: T[P]; }[keyof T]
>obj : { [P in keyof T]: T[P]; }
>k1 : keyof T
    }
    for (let k2 in obj) {
>k2 : Extract<keyof T, string>
>obj : { [P in keyof T]: T[P]; }

        let x2 = obj[k2];
>x2 : { [P in keyof T]: T[P]; }[Extract<keyof T, string>]
>obj[k2] : { [P in keyof T]: T[P]; }[Extract<keyof T, string>]
>obj : { [P in keyof T]: T[P]; }
>k2 : Extract<keyof T, string>
    }
}

function f3<T, K extends keyof T>(obj: { [P in K]: T[P] }, k: K) {
>f3 : <T, K extends keyof T>(obj: { [P in K]: T[P]; }, k: K) => void
>obj : { [P in K]: T[P]; }
>k : K

    const b = k in obj;
>b : boolean
>k in obj : boolean
>k : K
>obj : { [P in K]: T[P]; }

    let k1: K;
>k1 : K

    for (k1 in obj) {
>k1 : K
>obj : { [P in K]: T[P]; }

        let x1 = obj[k1];
>x1 : { [P in K]: T[P]; }[K]
>obj[k1] : { [P in K]: T[P]; }[K]
>obj : { [P in K]: T[P]; }
>k1 : K
    }
    for (let k2 in obj) {
>k2 : Extract<K, string>
>obj : { [P in K]: T[P]; }

        let x2 = obj[k2];
>x2 : { [P in K]: T[P]; }[Extract<K, string>]
>obj[k2] : { [P in K]: T[P]; }[Extract<K, string>]
>obj : { [P in K]: T[P]; }
>k2 : Extract<K, string>
    }
}