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//! Unix-specific networking extensions.

pub use datagram::UnixDatagram;
pub use listener::{Incoming, UnixListener};
pub use stream::UnixStream;

mod datagram;
mod listener;
mod stream;

cfg_not_docs! {
    pub use std::os::unix::net::SocketAddr;
}

cfg_docs! {
    use std::fmt;

    use crate::path::Path;

    /// An address associated with a Unix socket.
    ///
    /// # Examples
    ///
    /// ```
    /// use async_std::os::unix::net::UnixListener;
    ///
    /// let socket = UnixListener::bind("/tmp/socket").await?;
    /// let addr = socket.local_addr()?;
    /// ```
    #[derive(Clone)]
    pub struct SocketAddr {
        _private: (),
    }

    impl SocketAddr {
        /// Returns `true` if the address is unnamed.
        ///
        /// # Examples
        ///
        /// A named address:
        ///
        /// ```no_run
        /// use async_std::os::unix::net::UnixListener;
        ///
        /// let socket = UnixListener::bind("/tmp/socket").await?;
        /// let addr = socket.local_addr()?;
        /// assert_eq!(addr.is_unnamed(), false);
        /// ```
        ///
        /// An unnamed address:
        ///
        /// ```no_run
        /// use async_std::os::unix::net::UnixDatagram;
        ///
        /// let socket = UnixDatagram::unbound().await?;
        /// let addr = socket.local_addr()?;
        /// assert_eq!(addr.is_unnamed(), true);
        /// ```
        pub fn is_unnamed(&self) -> bool {
            unreachable!("this impl only appears in the rendered docs")
        }

        /// Returns the contents of this address if it is a `pathname` address.
        ///
        /// # Examples
        ///
        /// With a pathname:
        ///
        /// ```no_run
        /// use async_std::os::unix::net::UnixListener;
        /// use async_std::path::Path;
        ///
        /// let socket = UnixListener::bind("/tmp/socket").await?;
        /// let addr = socket.local_addr()?;
        /// assert_eq!(addr.as_pathname(), Some(Path::new("/tmp/socket")));
        /// ```
        ///
        /// Without a pathname:
        ///
        /// ```
        /// use async_std::os::unix::net::UnixDatagram;
        ///
        /// let socket = UnixDatagram::unbound()?;
        /// let addr = socket.local_addr()?;
        /// assert_eq!(addr.as_pathname(), None);
        /// ```
        pub fn as_pathname(&self) -> Option<&Path> {
            unreachable!("this impl only appears in the rendered docs")
        }
    }

    impl fmt::Debug for SocketAddr {
        fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
            unreachable!("this impl only appears in the rendered docs")
        }
    }
}