How to Async Get Audio Duration in Nim - Code Snippet

# Task: Async Get Audio Duration
# Language: Nim

proc async_get_audio_duration() =
    # Implementation for Async Get Audio Duration
    var result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Async Get Audio Duration
    echo("Done");