File: mappedTypeParameterConstraint.js

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node-typescript 3.3.3333-1
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//// [mappedTypeParameterConstraint.ts]
// Repro for #27596

type MyMap<T> = {[P in keyof T]: T[keyof T]};
function foo<U>(arg: U): MyMap<U> {
    return arg;
}


//// [mappedTypeParameterConstraint.js]
// Repro for #27596
function foo(arg) {
    return arg;
}