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add comment about error handling (#1692)

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Alfredo Garcia 2021-02-04 23:41:27 -03:00 committed by GitHub
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tower-batch/src/service.rs
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@ -94,6 +94,9 @@ where
// Then, poll to acquire a semaphore permit. If we acquire a permit, // Then, poll to acquire a semaphore permit. If we acquire a permit,
// then there's enough buffer capacity to send a new request. Otherwise, // then there's enough buffer capacity to send a new request. Otherwise,
// we need to wait for capacity. // we need to wait for capacity.
// In tokio 0.3.7, `acquire_owned` panics if its semaphore returns an error,
// so we don't need to handle errors until we upgrade to tokio 1.0.
ready!(self.semaphore.poll_acquire(cx)); ready!(self.semaphore.poll_acquire(cx));
Poll::Ready(Ok(())) Poll::Ready(Ok(()))