File: mappedTypeParameterConstraint.types

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=== tests/cases/compiler/mappedTypeParameterConstraint.ts ===
// Repro for #27596

type MyMap<T> = {[P in keyof T]: T[keyof T]};
>MyMap : MyMap<T>

function foo<U>(arg: U): MyMap<U> {
>foo : <U>(arg: U) => MyMap<U>
>arg : U

    return arg;
>arg : U
}