Remove needless lifetime

src/dns.rs

@@ -63,7 +63,7 @@ impl ToIpAddr for String {
     }
 }
 
-impl<'a> ToIpAddr for &'a str {
+impl ToIpAddr for &str {
     fn to_ip_addr(&self, dns: &mut Dns) -> IpAddr {
         if let Ok(ipaddr) = self.parse() {
             return ipaddr;
@@ -121,7 +121,7 @@ impl ToSocketAddrs for (String, u16) {
     }
 }
 
-impl<'a> ToSocketAddrs for (&'a str, u16) {
+impl ToSocketAddrs for (&str, u16) {
     fn to_socket_addr(&self, dns: &Dns) -> SocketAddr {
         // When IP address is passed directly as a str.
         if let Ok(ip) = self.0.parse::<IpAddr>() {

src/top.rs

@@ -58,7 +58,7 @@ pub struct LinkIter<'a> {
     iter: std::collections::vec_deque::IterMut<'a, Sent>,
 }
 
-impl<'a> LinkIter<'a> {
+impl LinkIter<'_> {
     /// The [`IpAddr`] pair for the link. Always ordered to uniquely identify
     /// the link.
     pub fn pair(&self) -> (IpAddr, IpAddr) {
@@ -83,7 +83,7 @@ pub struct SentRef<'a> {
     sent: &'a mut Sent,
 }
 
-impl<'a> SentRef<'a> {
+impl SentRef<'_> {
     /// The (src, dst) [`SocketAddr`] pair for the message.
     pub fn pair(&self) -> (SocketAddr, SocketAddr) {
         (self.src, self.dst)