try_lock returns a Result

1 files changed, 3 insertions, 3 deletions

diff --git a/src/collection/boxed.rs b/src/collection/boxed.rs
index 0014cc3..6db0683 100644
--- a/src/collection/boxed.rs
+++ b/src/collection/boxed.rs
@@ -372,17 +372,17 @@ impl<L: Lockable> BoxedLockCollection<L> {
 	pub fn try_lock<'g, 'key: 'g, Key: Keyable + 'key>(
 		&'g self,
 		key: Key,
-	) -> Option<LockGuard<'key, L::Guard<'g>, Key>> {
+	) -> Result<LockGuard<'key, L::Guard<'g>, Key>, Key> {
 		let guard = unsafe {
 			if !self.raw_try_lock() {
-				return None;
+				return Err(key);
 			}
 
 			// safety: we've acquired the locks
 			self.data().guard()
 		};
 
-		Some(LockGuard {
+		Ok(LockGuard {
 			guard,
 			key,
 			_phantom: PhantomData,