Improve ergonomics between SockaddrIn and underlying libc type

Author: pronebird

changelog/2328.added.md

@@ -0,0 +1,2 @@
+- Add `Into<sockaddr_in>` for `SockaddrIn`
+- Add `Into<sockaddr_in6>` for `SockaddrIn6`

src/sys/socket/addr.rs

@@ -920,6 +920,15 @@ impl From<SockaddrIn> for net::SocketAddrV4 {
 }
 
 #[cfg(feature = "net")]
+#[allow(clippy::from-over-into)]
+impl Into<libc::sockaddr_in> for SockaddrIn {
+    fn into(self) -> libc::sockaddr_in {
+        self.0
+    }
+}
+
+#[cfg(feature = "net")]
+#[allow(clippy::from-over-into)]
 impl std::str::FromStr for SockaddrIn {
     type Err = net::AddrParseError;
 
@@ -969,6 +978,13 @@ impl SockaddrIn6 {
     }
 }
 
+#[cfg(feature = "net")]
+impl Into<libc::sockaddr_in6> for SockaddrIn6 {
+    fn into(self) -> libc::sockaddr_in6 {
+        self.0
+    }
+}
+
 #[cfg(feature = "net")]
 impl private::SockaddrLikePriv for SockaddrIn6 {}
 #[cfg(feature = "net")]