⚡ Dart Async / Await

Dart uses async and await keywords for asynchronous operations, like waiting for a delay, fetching data, or file I/O.

📝 Example: Async Function with Delay

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📖 Key Concepts

async marks a function as asynchronous.
await pauses the function until the awaited Future completes.
Future.delayed creates a future that completes after a set time.

💡 Pro Tip: Always use await inside an async function — and remember, Dart's event loop runs single-threaded with Futures scheduled on its microtask queue.