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import { GeneratorIterator } from "./GeneratorIterator";

export function __TS__DelegatedYield<T>(this: void, iterable: string | GeneratorIterator | Iterable<T> | readonly T[]) {

if (typeof iterable === "string") {

for (const index of $range(0, iterable.length - 1)) {

coroutine.yield(iterable[index]);

}

} else if ("____coroutine" in iterable) {

const co = iterable.____coroutine;

while (true) {

const [status, value] = coroutine.resume(co);

if (!status) throw value;

if (coroutine.status(co) === "dead") {

return value;

} else {

coroutine.yield(value);

}

}

} else if (iterable[Symbol.iterator]) {

const iterator = iterable[Symbol.iterator]();

while (true) {

const result = iterator.next();

if (result.done) {

return result.value;

} else {

coroutine.yield(result.value);

}

}

} else {

for (const value of iterable as readonly T[]) {

coroutine.yield(value);

}

}

}