How to perform 'Async Check File Exists' in Rust.
// Task: Async Check File Exists
// Language: Rust
fn async_check_file_exists() {
// Implementation for Async Check File Exists
let result = ...; // Initialize variable
// TODO: Implement core logic here
// Step 1: Prepare data
// Step 2: Process Async Check File Exists
println!("Done");
}