Implement Clone and Copy for InterchangeRef

Author: robin-nitrokey

CHANGELOG.md

@@ -6,7 +6,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-### Changed 
+### Added
+
+- Add `Clone` and `Copy` implementations for `InterchangeRef`.
 
 ## [0.3.1][] - 2024-06-20
 

src/lib.rs

@@ -935,6 +935,7 @@ pub struct InterchangeRef<'alloc, Rq, Rp> {
     channels: &'alloc [Channel<Rq, Rp>],
     last_claimed: &'alloc AtomicUsize,
 }
+
 impl<'alloc, Rq, Rp> InterchangeRef<'alloc, Rq, Rp> {
     /// Claim one of the channels of the interchange. Returns None if called more than `N` times.
     pub fn claim(&self) -> Option<(Requester<'alloc, Rq, Rp>, Responder<'alloc, Rq, Rp>)> {
@@ -958,6 +959,17 @@ impl<'alloc, Rq, Rp> InterchangeRef<'alloc, Rq, Rp> {
     }
 }
 
+impl<Rq, Rp> Clone for InterchangeRef<'_, Rq, Rp> {
+    fn clone(&self) -> Self {
+        Self {
+            channels: self.channels,
+            last_claimed: self.last_claimed,
+        }
+    }
+}
+
+impl<Rq, Rp> Copy for InterchangeRef<'_, Rq, Rp> {}
+
 #[cfg(not(loom))]
 impl<Rq, Rp, const N: usize> Default for Interchange<Rq, Rp, N> {
     fn default() -> Self {