Function default_on_error

pub fn default_on_error<'de, D, T>(
    deserializer: D,
) -> Result<T, <D as Deserializer<'de>>::Error>
where
    D: Deserializer<'de>,
    T: DeserializeOwned + Default,

Helper function for returning a default value if deserialization of the type fails.

Assumes that the content being deserialized is JSON.

Used as #[serde(deserialize_with = "default_on_error")].