Error

        pub const Error = error{
            DiskQuota,
            FileTooBig,
            InputOutput,
            NoSpaceLeft,
            DeviceBusy,
            /// File descriptor does not hold the required rights to write to it.
            AccessDenied,
            PermissionDenied,
            /// File is an unconnected socket, or closed its read end.
            BrokenPipe,
            /// Insufficient kernel memory to read from in_fd.
            SystemResources,
            NotOpenForWriting,
            /// The process cannot access the file because another process has locked
            /// a portion of the file. Windows-only.
            LockViolation,
            /// Non-blocking has been enabled and this operation would block.
            WouldBlock,
            /// This error occurs when a device gets disconnected before or mid-flush
            /// while it's being written to - errno(6): No such device or address.
            NoDevice,
            FileBusy,
        } || Io.UnexpectedError