fix misc. clippy findings

src/lib.rs

@@ -118,7 +118,6 @@ pub use server_name::{
 /// assert!(matches!(sec1, PrivateKeyDer::Sec1(_)));
 /// # }
 /// ```
-
 #[non_exhaustive]
 #[derive(Debug, PartialEq, Eq)]
 pub enum PrivateKeyDer<'a> {
@@ -130,7 +129,7 @@ pub enum PrivateKeyDer<'a> {
     Pkcs8(PrivatePkcs8KeyDer<'a>),
 }
 
-impl<'a> PrivateKeyDer<'a> {
+impl PrivateKeyDer<'_> {
     /// Clone the private key to a `'static` value
     #[cfg(feature = "alloc")]
     pub fn clone_key(&self) -> PrivateKeyDer<'static> {
@@ -267,7 +266,7 @@ impl<'a> TryFrom<&'a [u8]> for PrivateKeyDer<'a> {
 static INVALID_KEY_DER_ERR: &str = "unknown or invalid key format";
 
 #[cfg(feature = "alloc")]
-impl<'a> TryFrom<Vec<u8>> for PrivateKeyDer<'a> {
+impl TryFrom<Vec<u8>> for PrivateKeyDer<'_> {
     type Error = &'static str;
 
     fn try_from(key: Vec<u8>) -> Result<Self, Self::Error> {
@@ -324,7 +323,7 @@ impl<'a> From<&'a [u8]> for PrivatePkcs1KeyDer<'a> {
 }
 
 #[cfg(feature = "alloc")]
-impl<'a> From<Vec<u8>> for PrivatePkcs1KeyDer<'a> {
+impl From<Vec<u8>> for PrivatePkcs1KeyDer<'_> {
     fn from(vec: Vec<u8>) -> Self {
         Self(Der(BytesInner::Owned(vec)))
     }
@@ -384,7 +383,7 @@ impl<'a> From<&'a [u8]> for PrivateSec1KeyDer<'a> {
 }
 
 #[cfg(feature = "alloc")]
-impl<'a> From<Vec<u8>> for PrivateSec1KeyDer<'a> {
+impl From<Vec<u8>> for PrivateSec1KeyDer<'_> {
     fn from(vec: Vec<u8>) -> Self {
         Self(Der(BytesInner::Owned(vec)))
     }
@@ -445,7 +444,7 @@ impl<'a> From<&'a [u8]> for PrivatePkcs8KeyDer<'a> {
 }
 
 #[cfg(feature = "alloc")]
-impl<'a> From<Vec<u8>> for PrivatePkcs8KeyDer<'a> {
+impl From<Vec<u8>> for PrivatePkcs8KeyDer<'_> {
     fn from(vec: Vec<u8>) -> Self {
         Self(Der(BytesInner::Owned(vec)))
     }
@@ -551,7 +550,7 @@ impl<'a> From<&'a [u8]> for CertificateRevocationListDer<'a> {
 }
 
 #[cfg(feature = "alloc")]
-impl<'a> From<Vec<u8>> for CertificateRevocationListDer<'a> {
+impl From<Vec<u8>> for CertificateRevocationListDer<'_> {
     fn from(vec: Vec<u8>) -> Self {
         Self(Der::from(vec))
     }
@@ -603,7 +602,7 @@ impl<'a> From<&'a [u8]> for CertificateSigningRequestDer<'a> {
 }
 
 #[cfg(feature = "alloc")]
-impl<'a> From<Vec<u8>> for CertificateSigningRequestDer<'a> {
+impl From<Vec<u8>> for CertificateSigningRequestDer<'_> {
     fn from(vec: Vec<u8>) -> Self {
         Self(Der::from(vec))
     }
@@ -671,7 +670,7 @@ impl<'a> From<&'a [u8]> for CertificateDer<'a> {
 }
 
 #[cfg(feature = "alloc")]
-impl<'a> From<Vec<u8>> for CertificateDer<'a> {
+impl From<Vec<u8>> for CertificateDer<'_> {
     fn from(vec: Vec<u8>) -> Self {
         Self(Der::from(vec))
     }
@@ -734,7 +733,7 @@ impl<'a> From<&'a [u8]> for SubjectPublicKeyInfoDer<'a> {
 }
 
 #[cfg(feature = "alloc")]
-impl<'a> From<Vec<u8>> for SubjectPublicKeyInfoDer<'a> {
+impl From<Vec<u8>> for SubjectPublicKeyInfoDer<'_> {
     fn from(vec: Vec<u8>) -> Self {
         Self(Der::from(vec))
     }
@@ -837,7 +836,7 @@ impl<'a> From<&'a [u8]> for EchConfigListBytes<'a> {
 }
 
 #[cfg(feature = "alloc")]
-impl<'a> From<Vec<u8>> for EchConfigListBytes<'a> {
+impl From<Vec<u8>> for EchConfigListBytes<'_> {
     fn from(vec: Vec<u8>) -> Self {
         Self(BytesInner::Owned(vec))
     }

src/server_name.rs

@@ -55,7 +55,7 @@ pub enum ServerName<'a> {
     IpAddress(IpAddr),
 }
 
-impl<'a> ServerName<'a> {
+impl ServerName<'_> {
     /// Produce an owned `ServerName` from this (potentially borrowed) `ServerName`.
     #[cfg(feature = "alloc")]
     pub fn to_owned(&self) -> ServerName<'static> {
@@ -78,7 +78,7 @@ impl<'a> ServerName<'a> {
     }
 }
 
-impl<'a> fmt::Debug for ServerName<'a> {
+impl fmt::Debug for ServerName<'_> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         match self {
             Self::DnsName(d) => f.debug_tuple("DnsName").field(&d.as_ref()).finish(),
@@ -233,7 +233,7 @@ impl<'a> TryFrom<&'a [u8]> for DnsName<'a> {
     }
 }
 
-impl<'a> AsRef<str> for DnsName<'a> {
+impl AsRef<str> for DnsName<'_> {
     fn as_ref(&self) -> &str {
         match self {
             Self(DnsNameInner::Borrowed(s)) => s,
@@ -250,7 +250,7 @@ enum DnsNameInner<'a> {
     Owned(String),
 }
 
-impl<'a> PartialEq<Self> for DnsNameInner<'a> {
+impl PartialEq<Self> for DnsNameInner<'_> {
     fn eq(&self, other: &Self) -> bool {
         match (self, other) {
             (Self::Borrowed(s), Self::Borrowed(o)) => s.eq_ignore_ascii_case(o),
@@ -264,7 +264,7 @@ impl<'a> PartialEq<Self> for DnsNameInner<'a> {
     }
 }
 
-impl<'a> Hash for DnsNameInner<'a> {
+impl Hash for DnsNameInner<'_> {
     fn hash<H: Hasher>(&self, state: &mut H) {
         let s = match self {
             Self::Borrowed(s) => s,
@@ -276,7 +276,7 @@ impl<'a> Hash for DnsNameInner<'a> {
     }
 }
 
-impl<'a> fmt::Debug for DnsNameInner<'a> {
+impl fmt::Debug for DnsNameInner<'_> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
             Self::Borrowed(s) => f.write_fmt(format_args!("{:?}", s)),

tests/pem.rs

@@ -309,5 +309,5 @@ fn slice_iterator() {
         CertificateDer::from(&b"hi"[..])
     );
     assert_eq!(iter.remainder(), b"goodbye\n");
-    assert!(matches!(iter.next(), None));
+    assert!(iter.next().is_none());
 }