Fix clippy::needless_lifetimes warning
```
error: the following explicit lifetimes could be elided: 'a
--> examples/with-metadata.rs:52:6
|
52 | impl<'a, F: Future> Future for MeasureRuntime<'a, F> {
| ^^ ^^
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
= note: `-D clippy::needless-lifetimes` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::needless_lifetimes)]`
help: elide the lifetimes
|
52 - impl<'a, F: Future> Future for MeasureRuntime<'a, F> {
52 + impl<F: Future> Future for MeasureRuntime<'_, F> {
|
```
diff --git a/examples/with-metadata.rs b/examples/with-metadata.rs
index ed84e31..1bd1bc7 100644
--- a/examples/with-metadata.rs
+++ b/examples/with-metadata.rs
@@ -49,7 +49,7 @@
}
}
-impl<'a, F: Future> Future for MeasureRuntime<'a, F> {
+impl<F: Future> Future for MeasureRuntime<'_, F> {
type Output = F::Output;
fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
