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sync: make downgrade must_use (#6326)

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Alice Ryhl 2024-02-05 08:46:04 +01:00 committed by GitHub
parent 63caced26f
commit fbdf539ac2
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2 changed files with 2 additions and 0 deletions
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1
tokio/src/sync/mpsc/bounded.rs
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@ -1367,6 +1367,7 @@ impl<T> Sender<T> {
/// towards RAII semantics, i.e. if all `Sender` instances of the
/// channel were dropped and only `WeakSender` instances remain,
/// the channel is closed.
#[must_use = "Downgrade creates a WeakSender without destroying the original non-weak sender."]
pub fn downgrade(&self) -> WeakSender<T> {
WeakSender {
chan: self.chan.downgrade(),

1
tokio/src/sync/mpsc/unbounded.rs
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@ -572,6 +572,7 @@ impl<T> UnboundedSender<T> {
/// towards RAII semantics, i.e. if all `UnboundedSender` instances of the
/// channel were dropped and only `WeakUnboundedSender` instances remain,
/// the channel is closed.
#[must_use = "Downgrade creates a WeakSender without destroying the original non-weak sender."]
pub fn downgrade(&self) -> WeakUnboundedSender<T> {
WeakUnboundedSender {
chan: self.chan.downgrade(),