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//// [recursiveReverseMappedType.ts]
// Repro from #38198
type Recur<T> = (
T extends (unknown[]) ? {} : { [K in keyof T]?: Recur<T[K]> }
) | ['marker', ...Recur<T>[]];
function join<T>(l: Recur<T>[]): Recur<T> {
return ['marker', ...l];
}
function a<T>(l: Recur<T>[]): void {
const x: Recur<T> | undefined = join(l);
}
//// [recursiveReverseMappedType.js]
"use strict";
// Repro from #38198
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
function join(l) {
return __spreadArray(['marker'], l, true);
}
function a(l) {
var x = join(l);
}
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