[net] clippy: identity_op

warning: the operation is ineffective. Consider reducing it to
`self.segments()[0]`
    --> library/std/src/net/ip.rs:1265:9
     |
1265 |         (self.segments()[0] & 0xffff) == 0xfe80
     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
     |
     = note: `#[warn(clippy::identity_op)]` on by default
     = help: for further information visit
https://rust-lang.github.io/rust-clippy/master/index.html#identity_op

warning: the operation is ineffective. Consider reducing it to
`self.segments()[1]`
    --> library/std/src/net/ip.rs:1266:16
     |
1266 |             && (self.segments()[1] & 0xffff) == 0
     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
     |
     = help: for further information visit
https://rust-lang.github.io/rust-clippy/master/index.html#identity_op

warning: the operation is ineffective. Consider reducing it to
`self.segments()[2]`
    --> library/std/src/net/ip.rs:1267:16
     |
1267 |             && (self.segments()[2] & 0xffff) == 0
     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
     |
     = help: for further information visit
https://rust-lang.github.io/rust-clippy/master/index.html#identity_op

warning: the operation is ineffective. Consider reducing it to
`self.segments()[3]`
    --> library/std/src/net/ip.rs:1268:16
     |
1268 |             && (self.segments()[3] & 0xffff) == 0
     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
     |
     = help: for further information visit
https://rust-lang.github.io/rust-clippy/master/index.html#identity_op

Signed-off-by: wcampbell <wcampbell1995@gmail.com>

library/std/src/net/ip.rs

@@ -1259,10 +1259,10 @@ impl Ipv6Addr {
     /// [RFC 4291 errata 4406]: https://www.rfc-editor.org/errata/eid4406
     #[rustc_const_unstable(feature = "const_ipv6", issue = "76205")]
     pub const fn is_unicast_link_local_strict(&self) -> bool {
-        (self.segments()[0] & 0xffff) == 0xfe80
-            && (self.segments()[1] & 0xffff) == 0
-            && (self.segments()[2] & 0xffff) == 0
-            && (self.segments()[3] & 0xffff) == 0
+        (self.segments()[0]) == 0xfe80
+            && self.segments()[1] == 0
+            && self.segments()[2] == 0
+            && self.segments()[3] == 0
     }
 
     /// Returns [`true`] if the address is a unicast link-local address (`fe80::/10`).