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perf: don't clone the Subscriber's result unless it's Ready

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Signed-off-by: ljedrz <ljedrz@gmail.com>
This commit is contained in:
ljedrz 2020-07-07 17:46:27 +02:00
parent fb1742a38e
commit 92f2d45722
1 changed files with 2 additions and 8 deletions
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10
src/subscription.rs
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@ -164,12 +164,6 @@ impl<TResult> Subscription<TResult> {
}
}
impl<TResult: Clone> Subscription<TResult> {
pub fn result(&self) -> Option<TResult> {
self.result.clone()
}
}
impl<TResult> Default for Subscription<TResult> {
fn default() -> Self {
Self {
@ -193,8 +187,8 @@ impl<TResult: Clone> Future for SubscriptionFuture<TResult> {
return Poll::Ready(Err(Cancelled));
}
if let Some(result) = subscription.result() {
Poll::Ready(Ok(result))
if let Some(ref result) = subscription.result {
Poll::Ready(Ok(result.clone()))
} else {
subscription.add_waker(&context.waker());
Poll::Pending