ShutdownError

pub const ShutdownError = error{
    ConnectionAborted,

    /// Connection was reset by peer, application should close socket as it is no longer usable.
    ConnectionResetByPeer,
    BlockingOperationInProgress,

    /// The network subsystem has failed.
    NetworkSubsystemFailed,

    /// The socket is not connected (connection-oriented sockets only).
    SocketNotConnected,
    SystemResources,
} || UnexpectedError