How to Async Check File Exists in Nim - Code Snippet

# Task: Async Check File Exists
# Language: Nim

proc async_check_file_exists() =
    # Implementation for Async Check File Exists
    var result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Async Check File Exists
    echo("Done");