Dart·Dart essentials

Async

Future and async/await handle asynchronous work without blocking.

Beginner 10 min read Lesson 4 of 150 Challenge included
What you will be able to do
  • Use Future for async results.
  • await inside async functions.
  • Handle errors with try/catch.

In plain English

Future and async/await handle asynchronous work without blocking.

  • Use Future for async results.
  • await inside async functions.
  • Handle errors with try/catch.
async.dartDART
Future<String> load() async {
  await Future.delayed(const Duration(milliseconds: 10));
  return 'ready';
}

void main() async {
  print(await load());
}
Your turn

Explain it back

Easy

Answer from memory: Which type represents a future value?

TEXT · starter
Your answer…
Check your understanding before moving on.
Knowledge checkQuestion 1

Which type represents a future value?

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Lesson 4 of 150 · 0% of course