How to Async To Uppercase in Tcl - Code Snippet

# Task: Async To Uppercase
# Language: Tcl

proc async_to_uppercase() {
    # Implementation for Async To Uppercase
    set result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Async To Uppercase
    puts("Done");
}