Merge pull request #1230 from goffrie/patch-1

Use Map::with_capacity in value::Serializer::serialize_map
serde-rs · Jan 19, 2025 · eb9f3f6 · eb9f3f6
2 parents 9802c08 + 513e5b2
commit eb9f3f6
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/value/ser.rs b/src/value/ser.rs
@@ -261,9 +261,9 @@ impl serde::Serializer for Serializer {
         })
     }
 
-    fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap> {
+    fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap> {
         Ok(SerializeMap::Map {
-            map: Map::new(),
+            map: Map::with_capacity(len.unwrap_or(0)),
             next_key: None,
         })
     }