Basic scoped lock and guard implementations

1 files changed, 13 insertions, 1 deletions

diff --git a/src/collection/owned.rs b/src/collection/owned.rs
index 2172b96..516f1ea 100755
--- a/src/collection/owned.rs
+++ b/src/collection/owned.rs
@@ -647,9 +647,21 @@ impl<L: OwnedLockable> OwnedLockCollection<L>
 where
 	for<'a> &'a L: IntoIterator,
 {
-	pub fn locking_iter(&self, key: ThreadKey) -> LockingIterator<<&L as IntoIterator>::IntoIter> {
+	pub fn locking_iter(
+		&self,
+		key: ThreadKey,
+	) -> LockingIterator<<&L as IntoIterator>::IntoIter, ThreadKey> {
 		LockingIterator::new(key, (&self.child).into_iter())
 	}
+
+	pub fn scoped_locking_iter<Key: Keyable, R>(
+		&self,
+		key: Key,
+		f: impl FnOnce(&mut LockingIterator<<&L as IntoIterator>::IntoIter, Key>) -> R,
+	) -> R {
+		let mut iterator = LockingIterator::new(key, (&self.child).into_iter());
+		f(&mut iterator)
+	}
 }
 
 #[cfg(test)]