File: mappedTypeAndIndexSignatureRelation.types

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=== tests/cases/compiler/mappedTypeAndIndexSignatureRelation.ts ===
type Same<T> = { [P in keyof T]: T[P] };
>Same : Same<T>

type T1<T extends Record<PropertyKey, number>> = T;
>T1 : T

type T2<U extends Record<PropertyKey, number>> = T1<Same<U>>;
>T2 : Same<U>

// Repro from #38235

type Foo<IdentifierT extends Record<PropertyKey, PropertyKey>> =
>Foo : IdentifierT

    IdentifierT
;

type Bar<IdentifierT extends Record<PropertyKey, PropertyKey>, T> =
>Bar : Bar<IdentifierT, T>
    {
        [k in keyof T] : Foo<IdentifierT & { k : k }>
>k : k
    }
;

type Merge2<T> = { [k in keyof T] : T[k] }
>Merge2 : Merge2<T>

type Bar2<IdentifierT extends Record<PropertyKey, PropertyKey>, T> =
>Bar2 : Bar2<IdentifierT, T>
    {
        [k in keyof T]: Foo<Merge2<IdentifierT & { k: k }>>
>k : k
    }
;

type Identity<T> = T;
>Identity : T

type Merge3<T> = Identity<{ [k in keyof T] : T[k] }>
>Merge3 : { [k in keyof T]: T[k]; }

type Bar3<IdentifierT extends Record<PropertyKey, PropertyKey>, T> =
>Bar3 : Bar3<IdentifierT, T>
    {
        [k in keyof T]: Foo<Merge3<IdentifierT & { k: k }>>
>k : k
    }
;