pub fn none_as_default<'de, D, T>(
    deserializer: D,
) -> Result<T, <D as Deserializer<'de>>::Error>Expand description
Deserialize a T via Option<T>, falling back to T::default().
pub fn none_as_default<'de, D, T>(
    deserializer: D,
) -> Result<T, <D as Deserializer<'de>>::Error>Deserialize a T via Option<T>, falling back to T::default().