diff options
Diffstat (limited to 'library/std/src/net/ip.rs')
| -rw-r--r-- | library/std/src/net/ip.rs | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/library/std/src/net/ip.rs b/library/std/src/net/ip.rs index 68b8bb8f3e1..e5e9fedb61e 100644 --- a/library/std/src/net/ip.rs +++ b/library/std/src/net/ip.rs @@ -426,6 +426,8 @@ impl IpAddr { /// assert_eq!(IpAddr::V6(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0x7f00, 0x1)).to_canonical().is_loopback(), true); /// ``` #[inline] + #[must_use = "this returns the result of the operation, \ + without modifying the original"] #[rustc_const_unstable(feature = "const_ip", issue = "76205")] #[unstable(feature = "ip", issue = "27709")] pub const fn to_canonical(&self) -> IpAddr { @@ -901,6 +903,8 @@ impl Ipv4Addr { /// ``` #[rustc_const_stable(feature = "const_ipv4", since = "1.50.0")] #[stable(feature = "rust1", since = "1.0.0")] + #[must_use = "this returns the result of the operation, \ + without modifying the original"] #[inline] pub const fn to_ipv6_compatible(&self) -> Ipv6Addr { let [a, b, c, d] = self.octets(); @@ -926,6 +930,8 @@ impl Ipv4Addr { /// ``` #[rustc_const_stable(feature = "const_ipv4", since = "1.50.0")] #[stable(feature = "rust1", since = "1.0.0")] + #[must_use = "this returns the result of the operation, \ + without modifying the original"] #[inline] pub const fn to_ipv6_mapped(&self) -> Ipv6Addr { let [a, b, c, d] = self.octets(); @@ -1648,6 +1654,8 @@ impl Ipv6Addr { /// ``` #[rustc_const_unstable(feature = "const_ipv6", issue = "76205")] #[unstable(feature = "ip", issue = "27709")] + #[must_use = "this returns the result of the operation, \ + without modifying the original"] #[inline] pub const fn to_ipv4_mapped(&self) -> Option<Ipv4Addr> { match self.octets() { @@ -1685,6 +1693,8 @@ impl Ipv6Addr { /// ``` #[rustc_const_stable(feature = "const_ipv6", since = "1.50.0")] #[stable(feature = "rust1", since = "1.0.0")] + #[must_use = "this returns the result of the operation, \ + without modifying the original"] #[inline] pub const fn to_ipv4(&self) -> Option<Ipv4Addr> { if let [0, 0, 0, 0, 0, 0 | 0xffff, ab, cd] = self.segments() { @@ -1708,9 +1718,11 @@ impl Ipv6Addr { /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0x7f00, 0x1).is_loopback(), false); /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0x7f00, 0x1).to_canonical().is_loopback(), true); /// ``` - #[inline] #[rustc_const_unstable(feature = "const_ipv6", issue = "76205")] #[unstable(feature = "ip", issue = "27709")] + #[must_use = "this returns the result of the operation, \ + without modifying the original"] + #[inline] pub const fn to_canonical(&self) -> IpAddr { if let Some(mapped) = self.to_ipv4_mapped() { return IpAddr::V4(mapped); |