Merge #652

652: Ignore clippy::unnecessary_wraps lint r=taiki-e a=taiki-e



Co-authored-by: Taiki Endo <te316e89@gmail.com>

crossbeam-channel/src/flavors/array.rs

@@ -477,6 +477,7 @@ impl<T> Channel<T> {
     }
 
     /// Returns the capacity of the channel.
+    #[allow(clippy::unnecessary_wraps)] // This is intentional.
     pub(crate) fn capacity(&self) -> Option<usize> {
         Some(self.cap)
     }

crossbeam-channel/src/flavors/at.rs

@@ -142,6 +142,7 @@ impl Channel {
     }
 
     /// Returns the capacity of the channel.
+    #[allow(clippy::unnecessary_wraps)] // This is intentional.
     #[inline]
     pub(crate) fn capacity(&self) -> Option<usize> {
         Some(1)

crossbeam-channel/src/flavors/never.rs

@@ -65,6 +65,7 @@ impl<T> Channel<T> {
     }
 
     /// Returns the capacity of the channel.
+    #[allow(clippy::unnecessary_wraps)] // This is intentional.
     #[inline]
     pub(crate) fn capacity(&self) -> Option<usize> {
         Some(0)

crossbeam-channel/src/flavors/tick.rs

@@ -112,6 +112,7 @@ impl Channel {
     }
 
     /// Returns the capacity of the channel.
+    #[allow(clippy::unnecessary_wraps)] // This is intentional.
     #[inline]
     pub(crate) fn capacity(&self) -> Option<usize> {
         Some(1)

crossbeam-channel/src/flavors/zero.rs

@@ -348,6 +348,7 @@ impl<T> Channel<T> {
     }
 
     /// Returns the capacity of the channel.
+    #[allow(clippy::unnecessary_wraps)] // This is intentional.
     pub(crate) fn capacity(&self) -> Option<usize> {
         Some(0)
     }

crossbeam-utils/src/atomic/atomic_cell.rs

@@ -778,6 +778,7 @@ impl AtomicUnit {
     #[inline]
     fn swap(&self, _val: (), _order: Ordering) {}
 
+    #[allow(clippy::unnecessary_wraps)] // This is intentional.
     #[inline]
     fn compare_exchange_weak(
         &self,