try_lock returns a Result

3 files changed, 8 insertions, 8 deletions

diff --git a/src/rwlock/read_lock.rs b/src/rwlock/read_lock.rs
index c5c4c8c..e518cf3 100644
--- a/src/rwlock/read_lock.rs
+++ b/src/rwlock/read_lock.rs
@@ -72,7 +72,7 @@ impl<T: ?Sized, R: RawRwLock> ReadLock<'_, T, R> {
 	pub fn try_lock<'s, 'key: 's, Key: Keyable + 'key>(
 		&'s self,
 		key: Key,
-	) -> Option<RwLockReadGuard<'s, 'key, T, Key, R>> {
+	) -> Result<RwLockReadGuard<'s, 'key, T, Key, R>, Key> {
 		self.0.try_read(key)
 	}
 
diff --git a/src/rwlock/rwlock.rs b/src/rwlock/rwlock.rs
index 03b2cfd..b5dea75 100644
--- a/src/rwlock/rwlock.rs
+++ b/src/rwlock/rwlock.rs
@@ -286,13 +286,13 @@ impl<T: ?Sized, R: RawRwLock> RwLock<T, R> {
 	pub fn try_read<'s, 'key: 's, Key: Keyable>(
 		&'s self,
 		key: Key,
-	) -> Option<RwLockReadGuard<'s, 'key, T, Key, R>> {
+	) -> Result<RwLockReadGuard<'s, 'key, T, Key, R>, Key> {
 		unsafe {
 			if self.raw_try_read() {
 				// safety: the lock is locked first
-				Some(RwLockReadGuard::new(self, key))
+				Ok(RwLockReadGuard::new(self, key))
 			} else {
-				None
+				Err(key)
 			}
 		}
 	}
@@ -381,13 +381,13 @@ impl<T: ?Sized, R: RawRwLock> RwLock<T, R> {
 	pub fn try_write<'s, 'key: 's, Key: Keyable>(
 		&'s self,
 		key: Key,
-	) -> Option<RwLockWriteGuard<'s, 'key, T, Key, R>> {
+	) -> Result<RwLockWriteGuard<'s, 'key, T, Key, R>, Key> {
 		unsafe {
 			if self.raw_try_lock() {
 				// safety: the lock is locked first
-				Some(RwLockWriteGuard::new(self, key))
+				Ok(RwLockWriteGuard::new(self, key))
 			} else {
-				None
+				Err(key)
 			}
 		}
 	}
diff --git a/src/rwlock/write_lock.rs b/src/rwlock/write_lock.rs
index 77b68c8..ba05e87 100644
--- a/src/rwlock/write_lock.rs
+++ b/src/rwlock/write_lock.rs
@@ -73,7 +73,7 @@ impl<T: ?Sized, R: RawRwLock> WriteLock<'_, T, R> {
 	pub fn try_lock<'s, 'key: 's, Key: Keyable + 'key>(
 		&'s self,
 		key: Key,
-	) -> Option<RwLockWriteGuard<'s, 'key, T, Key, R>> {
+	) -> Result<RwLockWriteGuard<'s, 'key, T, Key, R>, Key> {
 		self.0.try_write(key)
 	}