BindError

    pub const BindError = error{
        /// The address is protected and the current user does not have permission to bind it.
        AccessDenied,
        /// The address is already taken. Can occur when bound port is 0 but
        /// all ephemeral ports are already in use.
        AddressInUse,
        /// A nonexistent interface was requested or the requested address was not local.
        AddressUnavailable,
        /// The address is not valid for the address family of socket.
        AddressFamilyUnsupported,
        /// Insufficient memory or other resource internal to the operating system.
        SystemResources,
        /// The local network interface used to reach the destination is offline.
        NetworkDown,
        ProtocolUnsupportedBySystem,
        ProtocolUnsupportedByAddressFamily,
        /// Per-process limit on the number of open file descriptors has been reached.
        ProcessFdQuotaExceeded,
        /// System-wide limit on the total number of open files has been reached.
        SystemFdQuotaExceeded,
        SocketModeUnsupported,
        /// One of the `BindOptions` is not supported by the Io
        /// implementation.
        OptionUnsupported,
    } || Io.UnexpectedError || Io.Cancelable