//! Serialize/deserialize `nil`able type into T, where nil turns into the default impl.
use serde::{Deserialize, Deserializer, Serialize, Serializer};
/// Deserialize Option<T>
pub fn deserialize<'de, D, T>(deserializer: D) -> Result<T, D::Error>
where
D: Deserializer<'de>,
T: Deserialize<'de> + Default,
{
Ok(Option::<T>::deserialize(deserializer)?.unwrap_or_default())
}
/// Serialize Option<T>
pub fn serialize<S, T>(value: &T, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
T: Default + PartialEq + Serialize,
{
if value == &T::default() {
return serializer.serialize_none();
}
value.serialize(serializer)
}