Fix clippy 1.83 warnings (elide lifetimes, use non_exhaustive)

server/src/error.rs

@@ -36,7 +36,7 @@ pub enum ServerError {
     Hyper(#[from] hyper::Error),
 }
 
-impl<'a> From<&'a ServerError> for StatusCode {
+impl From<&ServerError> for StatusCode {
     fn from(error: &ServerError) -> StatusCode {
         use ServerError::*;
         match error {

shared/src/types.rs

@@ -110,7 +110,7 @@ impl<'de> Deserialize<'de> for Endpoint {
         D: serde::Deserializer<'de>,
     {
         struct EndpointVisitor;
-        impl<'de> serde::de::Visitor<'de> for EndpointVisitor {
+        impl serde::de::Visitor<'_> for EndpointVisitor {
             type Value = Endpoint;
 
             fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
@@ -238,7 +238,7 @@ pub struct CidrTree<'a> {
     contents: &'a Cidr,
 }
 
-impl<'a> std::ops::Deref for CidrTree<'a> {
+impl std::ops::Deref for CidrTree<'_> {
     type Target = Cidr;
 
     fn deref(&self) -> &Self::Target {
@@ -718,7 +718,7 @@ impl<'a> PeerDiff<'a> {
     }
 }
 
-impl<'a> From<&'a Peer> for PeerConfigBuilder {
+impl From<&Peer> for PeerConfigBuilder {
     fn from(peer: &Peer) -> Self {
         PeerDiff::new(None, Some(peer))
             .expect("No Err on explicitly set peer data")
@@ -727,7 +727,7 @@ impl<'a> From<&'a Peer> for PeerConfigBuilder {
     }
 }
 
-impl<'a> From<PeerDiff<'a>> for PeerConfigBuilder {
+impl From<PeerDiff<'_>> for PeerConfigBuilder {
     /// Turn a PeerDiff into a minimal set of instructions to update the WireGuard interface,
     /// hopefully minimizing dropped packets and other interruptions.
     fn from(diff: PeerDiff) -> Self {

wireguard-control/src/backends/kernel.rs

@@ -118,7 +118,6 @@ impl TryFrom<WgPeer> for PeerInfo {
                 endpoint,
                 persistent_keepalive_interval,
                 allowed_ips,
-                __cant_construct_me: (),
             },
             stats: PeerStats {
                 last_handshake_time,
@@ -158,7 +157,6 @@ impl<'a> TryFrom<&'a [WgDeviceAttrs]> for Device {
             peers,
             linked_name: None,
             backend: Backend::Kernel,
-            __cant_construct_me: (),
         })
     }
 }

wireguard-control/src/backends/userspace.rs

@@ -86,7 +86,6 @@ fn new_peer_info(public_key: Key) -> PeerInfo {
             endpoint: None,
             persistent_keepalive_interval: None,
             allowed_ips: vec![],
-            __cant_construct_me: (),
         },
         stats: PeerStats {
             last_handshake_time: None,
@@ -119,7 +118,6 @@ impl ConfigParser {
             peers: vec![],
             linked_name: resolve_tun(name).ok(),
             backend: Backend::Userspace,
-            __cant_construct_me: (),
         };
 
         Self {

wireguard-control/src/config.rs

@@ -69,7 +69,6 @@ impl PeerConfigBuilder {
             endpoint: self.endpoint,
             persistent_keepalive_interval: self.persistent_keepalive_interval,
             allowed_ips: self.allowed_ips,
-            __cant_construct_me: (),
         }
     }
 

wireguard-control/src/device.rs

@@ -46,6 +46,7 @@ impl std::str::FromStr for AllowedIp {
 ///
 /// These are the attributes that don't change over time and are part of the configuration.
 #[derive(Debug, PartialEq, Eq, Clone)]
+#[non_exhaustive]
 pub struct PeerConfig {
     /// The public key of the peer.
     pub public_key: Key,
@@ -57,7 +58,6 @@ pub struct PeerConfig {
     pub persistent_keepalive_interval: Option<u16>,
     /// The IP addresses this peer is allowed to have.
     pub allowed_ips: Vec<AllowedIp>,
-    pub(crate) __cant_construct_me: (),
 }
 
 /// Represents a single peer's current statistics (i.e. the data from the current session).
@@ -91,6 +91,7 @@ pub struct PeerInfo {
 /// The peer statistics are retrieved once at construction time,
 /// and need to be updated manually by calling [`get_by_name`](DeviceInfo::get_by_name).
 #[derive(Debug, PartialEq, Eq, Clone)]
+#[non_exhaustive]
 pub struct Device {
     /// The interface name of this device
     pub name: InterfaceName,
@@ -108,8 +109,6 @@ pub struct Device {
     pub linked_name: Option<String>,
     /// The backend the device exists on (userspace or kernel).
     pub backend: Backend,
-
-    pub(crate) __cant_construct_me: (),
 }
 
 type RawInterfaceName = [c_char; libc::IFNAMSIZ];