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Guide: LimitedBarrier was renamed to Waiter #231

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May 8, 2023
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Guide: LimitedBarrier was renamed to Waiter #231

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11 changes: 7 additions & 4 deletions guides/asynchronous-tasks/readme.md
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Expand Up @@ -143,20 +143,23 @@ end

### Waiting for the First N Tasks

Occasionally, you may need to just wait for the first task (or first several tasks) to complete. You can use a combination of {ruby Async::LimitedBarrier} and {ruby Async::Barrier} for controlling this:
Occasionally, you may need to just wait for the first task (or first several tasks) to complete. You can use a combination of {ruby Async::Waiter} and {ruby Async::Barrier} for controlling this:

```ruby
barrier = Async::Barrier.new(parent: barrier)
waiter = Async::Waiter.new(parent: barrier)

Async do
jobs.each do |job|
barrier.async do
waiter.async do
# ... process job ...
end
end

# Wait for the first two jobs to complete:
done = barrier.wait(2)
done = waiter.wait(2)

# You may use the barrier to stop the remaining jobs
barrier.stop
end
```

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