How to Async Connect to PostgreSQL in D - Code Snippet

// Task: Async Connect to PostgreSQL
// Language: D

void async_connect_to_postgresql() {
    // Implementation for Async Connect to PostgreSQL
    auto result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async Connect to PostgreSQL
    writeln("Done");
}