gistfile1.txt

var purgeCacheTask: Task<Void, Never>?

func setupCacheTTL() {
    purgeCacheTask?.cancel()
    purgeCacheTask = Task(priority: .low) {
        try? await Task.sleep(for: .seconds(300))
        guard !Task.isCancelled else { return }
        cache.clear()
    }
}