Merge pull request #61 from mina86/c

ser: don’t unnecessarily allocate a String when serialising a character
CosmWasm · Aug 4, 2023 · a34f5f2 · a34f5f2
2 parents f3b76de + 1411571
commit a34f5f2
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/ser/map.rs b/src/ser/map.rs
@@ -166,7 +166,8 @@ impl<'a> ser::Serializer for MapKeySerializer<'a> {
     }
 
     fn serialize_char(self, value: char) -> Result<()> {
-        self.ser.serialize_str(&value.to_string())
+        let mut buf = [0u8; 4];
+        self.ser.serialize_str(value.encode_utf8(&mut buf))
     }
 
     fn serialize_bytes(self, _value: &[u8]) -> Result<()> {