make clippy happy

src/http.rs

@@ -367,7 +367,7 @@ impl ProxyHandler for HttpConnection {
         buffer.drain(0..size);
     }
 
-    fn peek_data(&mut self, dir: OutgoingDirection) -> OutgoingDataEvent {
+    fn peek_data(&mut self, dir: OutgoingDirection) -> OutgoingDataEvent<'_> {
         let buffer = if dir == OutgoingDirection::ToServer {
             &mut self.server_outbuf
         } else {

src/no_proxy.rs

@@ -49,7 +49,7 @@ impl ProxyHandler for NoProxyHandler {
         buffer.drain(0..size);
     }
 
-    fn peek_data(&mut self, dir: OutgoingDirection) -> OutgoingDataEvent {
+    fn peek_data(&mut self, dir: OutgoingDirection) -> OutgoingDataEvent<'_> {
         let buffer = match dir {
             OutgoingDirection::ToServer => &mut self.server_outbuf,
             OutgoingDirection::ToClient => &mut self.client_outbuf,

src/proxy_handler.rs

@@ -12,7 +12,7 @@ pub(crate) trait ProxyHandler: Send + Sync {
     fn get_domain_name(&self) -> Option<String>;
     async fn push_data(&mut self, event: IncomingDataEvent<'_>) -> std::io::Result<()>;
     fn consume_data(&mut self, dir: OutgoingDirection, size: usize);
-    fn peek_data(&mut self, dir: OutgoingDirection) -> OutgoingDataEvent;
+    fn peek_data(&mut self, dir: OutgoingDirection) -> OutgoingDataEvent<'_>;
     fn connection_established(&self) -> bool;
     #[allow(dead_code)]
     fn data_len(&self, dir: OutgoingDirection) -> usize;

src/socks.rs

@@ -297,7 +297,7 @@ impl ProxyHandler for SocksProxyImpl {
         buffer.drain(0..size);
     }
 
-    fn peek_data(&mut self, dir: OutgoingDirection) -> OutgoingDataEvent {
+    fn peek_data(&mut self, dir: OutgoingDirection) -> OutgoingDataEvent<'_> {
         let buffer = match dir {
             OutgoingDirection::ToServer => &mut self.server_outbuf,
             OutgoingDirection::ToClient => &mut self.client_outbuf,