18 lines
498 B
Rust
18 lines
498 B
Rust
macro_rules! try_channel {
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($e: expr) => (match $e {
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Err(err) => return Err(From::from(err)),
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Ok(Async::NotReady) => None,
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Ok(Async::Ready(None)) => return Ok(Async::Ready(None)),
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Ok(Async::Ready(Some(value))) => Some(value),
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})
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}
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macro_rules! try_stream {
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($e: expr) => (match $e {
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Err(err) => return Err(From::from(err)),
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Ok(Async::NotReady) => return Ok(Async::NotReady),
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Ok(Async::Ready(None)) => return Ok(Async::Ready(None)),
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Ok(Async::Ready(Some(value))) => value,
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})
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}
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