How to Async Subtract Dates in D - Code Snippet

// Task: Async Subtract Dates
// Language: D

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