use std::ops::Deref; use url::Url; // list of package webpages #[derive(Eq, PartialEq, Clone, Debug, Serialize, Deserialize)] pub struct Www(#[serde(with = "url_serde")] Url); impl Deref for Www { type Target = Url; fn deref(&self) -> &Self::Target { &self.0 } }