Function serialize
pub fn serialize<S: Serializer>(timestamp: &Option<Timestamp>, se: S) -> Result<S::Ok, S::Error>Serialize an optional integer number of nanoseconds since the Unix epoch.
serializepub fn serialize<S: Serializer>(timestamp: &Option<Timestamp>, se: S) -> Result<S::Ok, S::Error>Serialize an optional integer number of nanoseconds since the Unix epoch.