CreatePairError

    pub const CreatePairError = error{
        OperationUnsupported,
        AccessDenied,
        AddressFamilyUnsupported,
        ProtocolUnsupportedBySystem,
        /// The per-process limit on the number of open file descriptors has been reached.
        ProcessFdQuotaExceeded,
        /// The system-wide limit on the total number of open files has been reached.
        SystemFdQuotaExceeded,
        /// Insufficient memory is available. The socket cannot be created
        /// until sufficient resources are freed.
        SystemResources,
        ProtocolUnsupportedByAddressFamily,
        SocketModeUnsupported,
    } || Io.UnexpectedError || Io.Cancelable