1 files changed, 17 insertions, 1 deletions
diff --git a/src/table/crdt/lww_map.rs b/src/table/crdt/lww_map.rs
index 7b372191..4ed26809 100644
--- a/src/table/crdt/lww_map.rs
+++ b/src/table/crdt/lww_map.rs
@@ -94,7 +94,7 @@ where
 	/// put_my_crdt_value(a);
 	/// ```
 	pub fn take_and_clear(&mut self) -> Self {
-		let vals = std::mem::replace(&mut self.vals, vec![]);
+		let vals = std::mem::take(&mut self.vals);
 		Self { vals }
 	}
 	/// Removes all values from the map
@@ -113,10 +113,16 @@ where
 	pub fn items(&self) -> &[(K, u64, V)] {
 		&self.vals[..]
 	}
+
 	/// Returns the number of items in the map
 	pub fn len(&self) -> usize {
 		self.vals.len()
 	}
+
+	/// Returns true if the map is empty
+	pub fn is_empty(&self) -> bool {
+		self.len() == 0
+	}
 }
 
 impl<K, V> CRDT for LWWMap<K, V>
@@ -143,3 +149,13 @@ where
 		}
 	}
 }
+
+impl<K, V> Default for LWWMap<K, V>
+where
+	K: Ord,
+	V: CRDT,
+{
+	fn default() -> Self {
+		Self::new()
+	}
+}