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Deprecate TcpListener::set_only_v6 #38304

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Jan 6, 2017
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Deprecate TcpListener::set_only_v6 #38304

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38 changes: 6 additions & 32 deletions src/libstd/net/tcp.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -613,44 +613,18 @@ impl TcpListener {
self.0.ttl()
}

/// Sets the value for the `IPV6_V6ONLY` option on this socket.
///
/// If this is set to `true` then the socket is restricted to sending and
/// receiving IPv6 packets only. In this case two IPv4 and IPv6 applications
/// can bind the same port at the same time.
///
/// If this is set to `false` then the socket can be used to send and
/// receive packets from an IPv4-mapped IPv6 address.
///
/// # Examples
///
/// ```no_run
/// use std::net::TcpListener;
///
/// let listener = TcpListener::bind("127.0.0.1:80").unwrap();
/// listener.set_only_v6(true).expect("Cannot set to IPv6");
/// ```
#[stable(feature = "net2_mutators", since = "1.9.0")]
#[rustc_deprecated(since = "1.16.0",
reason = "this option can only be set before the socket is bound")]
#[allow(missing_docs)]
pub fn set_only_v6(&self, only_v6: bool) -> io::Result<()> {
self.0.set_only_v6(only_v6)
}

/// Gets the value of the `IPV6_V6ONLY` option for this socket.
///
/// For more information about this option, see [`set_only_v6`][link].
///
/// [link]: #method.set_only_v6
///
/// # Examples
///
/// ```no_run
/// use std::net::TcpListener;
///
/// let listener = TcpListener::bind("127.0.0.1:80").unwrap();
/// listener.set_only_v6(true).expect("Cannot set to IPv6");
/// assert_eq!(listener.only_v6().unwrap_or(false), true);
/// ```
#[stable(feature = "net2_mutators", since = "1.9.0")]
#[rustc_deprecated(since = "1.16.0",
reason = "this option can only be set before the socket is bound")]
#[allow(missing_docs)]
pub fn only_v6(&self) -> io::Result<bool> {
self.0.only_v6()
}
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