msg_socket2: add serialize_newtype_variant

1 files changed, 20 insertions, 0 deletions

diff --git a/msg_socket2/src/ser.rs b/msg_socket2/src/ser.rs
index 8be85aa..78ea1e6 100644
--- a/msg_socket2/src/ser.rs
+++ b/msg_socket2/src/ser.rs
@@ -353,6 +353,16 @@ pub trait FdSerializer<'fds>: Sized {
         variant: &'static str,
     ) -> Result<Self::Ok, Self::Error>;
 
+    /// Like `Serializer::serialize_newtype_variant`, but `value` is a
+    /// `SerializeWithFds` instead of a `Serialize`.
+    fn serialize_newtype_variant<T: SerializeWithFds + ?Sized>(
+        self,
+        name: &'static str,
+        variant_index: u32,
+        variant: &'static str,
+        value: &'fds T,
+    ) -> Result<Self::Ok, Self::Error>;
+
     /// Like `Serializer::serialize_seq`, but returns a
     /// `SerializeSeqFds`, which serializes file descriptors as well
     /// as data.
@@ -448,6 +458,16 @@ impl<'ser, 'fds: 'ser> FdSerializer<'fds> for &'ser mut FdSerializerImpl<'fds> {
         Ok(())
     }
 
+    fn serialize_newtype_variant<T: SerializeWithFds + ?Sized>(
+        self,
+        _name: &'static str,
+        _variant_index: u32,
+        _variant: &'static str,
+        value: &'fds T,
+    ) -> Result<Self::Ok, Self::Error> {
+        value.serialize_fds(self)
+    }
+
     fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeqFds, Self::Error> {
         Ok(Composite { serializer: self })
     }