Merge pull request #64 from FenrirWolf/nightly-update

Update for Rust nightly 2018-04-19

1 files changed, 19 insertions, 0 deletions

diff --git a/ctr-std/src/net/parser.rs b/ctr-std/src/net/parser.rs
index 261d44e..ae5037c 100644
--- a/ctr-std/src/net/parser.rs
+++ b/ctr-std/src/net/parser.rs
@@ -372,6 +372,25 @@ impl FromStr for SocketAddr {
 /// [`IpAddr`], [`Ipv4Addr`], [`Ipv6Addr`], [`SocketAddr`], [`SocketAddrV4`], and
 /// [`SocketAddrV6`].
 ///
+/// # Potential causes
+///
+/// `AddrParseError` may be thrown because the provided string does not parse as the given type,
+/// often because it includes information only handled by a different address type.
+///
+/// ```should_panic
+/// use std::net::IpAddr;
+/// let _foo: IpAddr = "127.0.0.1:8080".parse().expect("Cannot handle the socket port");
+/// ```
+///
+/// [`IpAddr`] doesn't handle the port. Use [`SocketAddr`] instead.
+///
+/// ```
+/// use std::net::SocketAddr;
+///
+/// // No problem, the `panic!` message has disappeared.
+/// let _foo: SocketAddr = "127.0.0.1:8080".parse().expect("unreachable panic");
+/// ```
+///
 /// [`FromStr`]: ../../std/str/trait.FromStr.html
 /// [`IpAddr`]: ../../std/net/enum.IpAddr.html
 /// [`Ipv4Addr`]: ../../std/net/struct.Ipv4Addr.html