Correctly serialize newtype variants for flatten

2026-04-30 23:38:02 +00:00 · 2018-03-20 23:05:05 +01:00
parent 99614c7266
commit 27f935f036
2 changed files with 37 additions and 2 deletions
@@ -1161,13 +1161,14 @@ impl<'a, M> Serializer for FlatMapSerializer<'a, M>
        self,
        _: &'static str,
        _: u32,
-        _: &'static str,
+        variant: &'static str,
        value: &T,
    ) -> Result<Self::Ok, Self::Error>
    where
        T: Serialize,
    {
-        value.serialize(self)
+        try!(self.0.serialize_key(variant));
+        self.0.serialize_value(value)
    }

    fn serialize_seq(self, _: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {