minor changes

3 years ago · b019ace2e1
1 changed files with 1 additions and 1 deletions
--- a/src/tun2proxy.rs
+++ b/src/tun2proxy.rs
@ -588,7 +588,7 @@ impl<'a> TunToProxy<'a> {
    }

    fn clearup_expired_udp_associate(&mut self) -> Result<()> {
-        let keys = self.connection_map.keys().map(|key| key.clone()).collect::<Vec<_>>();
+        let keys = self.connection_map.keys().cloned().collect::<Vec<_>>();
        for key in keys {
            if self.udp_associate_timeout_expired(&key) {
                log::debug!("UDP associate timeout: {}", key);