How to Async SHA256 Hash in Dart - Code Snippet

// Task: Async SHA256 Hash
// Language: Dart

void asyncSha256Hash() {
    // Implementation for Async SHA256 Hash
    var result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async SHA256 Hash
    print("Done");
}