Reduce unsafe scope

Author: Nemo157

futures-util/src/compat/compat01to03.rs

@@ -15,8 +15,8 @@ impl<Fut: Future01> Future03 for Compat<Fut, ()> {
     fn poll(self: PinMut<Self>, cx: &mut task03::Context) -> task03::Poll<Self::Output> {
         let notify = &WakerToHandle(cx.waker());
 
-        executor01::with_notify(notify, 0, move || unsafe {
-            match PinMut::get_mut_unchecked(self).inner.poll() {
+        executor01::with_notify(notify, 0, move || {
+            match unsafe { PinMut::get_mut_unchecked(self) }.inner.poll() {
                 Ok(Async01::Ready(t)) => task03::Poll::Ready(Ok(t)),
                 Ok(Async01::NotReady) => task03::Poll::Pending,
                 Err(e) => task03::Poll::Ready(Err(e)),
@@ -31,8 +31,8 @@ impl<St: Stream01> Stream03 for Compat<St, ()> {
     fn poll_next(self: PinMut<Self>, cx: &mut task03::Context) -> task03::Poll<Option<Self::Item>> {
         let notify = &WakerToHandle(cx.waker());
 
-        executor01::with_notify(notify, 0, move || unsafe {
-            match PinMut::get_mut_unchecked(self).inner.poll() {
+        executor01::with_notify(notify, 0, move || {
+            match unsafe { PinMut::get_mut_unchecked(self) }.inner.poll() {
                 Ok(Async01::Ready(Some(t))) => task03::Poll::Ready(Some(Ok(t))),
                 Ok(Async01::Ready(None)) => task03::Poll::Ready(None),
                 Ok(Async01::NotReady) => task03::Poll::Pending,