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add must_use for Future (#450)

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Guanqun Lu
2018-09-04 18:30:57 +08:00
committed by Toralf Wittner
parent 02576eecf1
commit ee9be6f0c9
11 changed files with 14 additions and 0 deletions
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protocols/floodsub/src/lib.rs
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@ -519,6 +519,7 @@ pub struct Message {
}
/// Implementation of `Future` that must be driven to completion in order for floodsub to work.
#[must_use = "futures do nothing unless polled"]
pub struct FloodSubFuture {
inner: Box<Future<Item = (), Error = IoError>>,
}