Guid

pub const Guid = extern struct

File

Code

pub const Guid = extern struct {
    comptime {
        std.debug.assert(std.mem.Alignment.of(Guid) == .@"8");
    }

    time_low: u32 align(8),
    time_mid: u16,
    time_high_and_version: u16,
    clock_seq_high_and_reserved: u8,
    clock_seq_low: u8,
    node: [6]u8,

    /// Format GUID into hexadecimal lowercase xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx format
    pub fn format(self: Guid, writer: *std.Io.Writer) std.Io.Writer.Error!void {
        return writer.print("{x:0>8}-{x:0>4}-{x:0>4}-{x:0>2}{x:0>2}-{x}", .{
            self.time_low,
            self.time_mid,
            self.time_high_and_version,
            self.clock_seq_high_and_reserved,
            self.clock_seq_low,
            self.node,
        });
    }

    pub fn eql(a: Guid, b: Guid) bool {
        return a.time_low == b.time_low and
            a.time_mid == b.time_mid and
            a.time_high_and_version == b.time_high_and_version and
            a.clock_seq_high_and_reserved == b.clock_seq_high_and_reserved and
            a.clock_seq_low == b.clock_seq_low and
            std.mem.eql(u8, &a.node, &b.node);
    }
}