How to Async Flatten Array in Go - Code Snippet

// Task: Async Flatten Array
// Language: Go

func async_flatten_array() {
    // Implementation for Async Flatten Array
    var result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async Flatten Array
    fmt.Println("Done");
}