How to Async Check Port Open in D - Code Snippet

// Task: Async Check Port Open
// Language: D

void async_check_port_open() {
    // Implementation for Async Check Port Open
    auto result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async Check Port Open
    writeln("Done");
}