use matches!() macro in more places

Author: matthiaskrgr

std/src/net/ip.rs

@@ -878,12 +878,7 @@ impl Ipv4Addr {
     #[must_use]
     #[inline]
     pub const fn is_documentation(&self) -> bool {
-        match self.octets() {
-            [192, 0, 2, _] => true,
-            [198, 51, 100, _] => true,
-            [203, 0, 113, _] => true,
-            _ => false,
-        }
+        matches!(self.octets(), [192, 0, 2, _] | [198, 51, 100, _] | [203, 0, 113, _])
     }
 
     /// Converts this address to an [IPv4-compatible] [`IPv6` address].

std/src/os/unix/net/addr.rs

@@ -159,7 +159,7 @@ impl SocketAddr {
     #[must_use]
     #[stable(feature = "unix_socket", since = "1.10.0")]
     pub fn is_unnamed(&self) -> bool {
-        if let AddressKind::Unnamed = self.address() { true } else { false }
+        matches!(self.address(), AddressKind::Unnamed)
     }
 
     /// Returns the contents of this address if it is a `pathname` address.