a

Esiur/Data/UUID.cs

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+using Microsoft.CodeAnalysis.CSharp.Syntax;
+using System;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace Esiur.Data
+{
+    [StructLayout(LayoutKind.Sequential, Pack = 1)]
+    public unsafe struct UUID
+    {
+        //4e7db2d8-a785-1b99-1854-4b4018bc5677
+        byte a1;
+        byte a2;
+        byte a3;
+        byte a4;
+        byte b1;
+        byte b2;
+        byte c1;
+        byte c2;
+        byte d1;
+        byte d2;
+        byte e1;
+        byte e2;
+        byte e3;
+        byte e4;
+        byte e5;
+        byte e6;
+
+
+        public UUID(byte[] data)
+        {
+            if (data.Length < 16)
+                throw new Exception("UUID data size must be at least 16 bytes");
+
+            for(var i = 0; i < 16; i++)
+                Data[i] = data[i];
+        }
+
+        public override string ToString()
+        {
+            return $"{a1.ToString("x2")}{a2.ToString("x2")}{a3.ToString("x2")}{a4.ToString("x2")}-{b1.ToString("x2")}{b2.ToString("x2")}-{c1.ToString("x2")}{c2.ToString("x2")}-{d1.ToString("x2")}{d2.ToString("x2")}-{e1.ToString("x2")}{e2.ToString("x2")}{e3.ToString("x2")}{e4.ToString("x2")}{e5.ToString("x2")}{e6.ToString("x2")}";
+        }
+
+        public static bool operator == (UUID a, UUID b)
+        {
+            return a.a1 == b.a1
+                    && a.a2 == b.a2
+                    && a.a3 == b.a3
+                    && a.a4 == b.a4
+                    && a.b1 == b.b1
+                    && a.b2 == b.b2
+                    && a.c1 == b.c1
+                    && a.c2 == b.c2
+                    && a.d1 == b.d1
+                    && a.d2 == b.d2
+                    && a.e1 == b.e1
+                    && a.e2 == b.e2
+                    && a.e3 == b.e3
+                    && a.e4 == b.e4
+                    && a.e5 == b.e5
+                    && a.e6 == b.e6;
+        }
+
+        public static bool operator !=(UUID a, UUID b)
+        {
+            return !(a == b);
+        }
+
+    }
+}