BAN: Add basic GUID data structure

BAN/include/BAN/GUID.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <BAN/Optional.h>
+#include <BAN/StringView.h>
+
+#include <string.h>
+
+namespace BAN
+{
+
+	struct GUID
+	{
+		uint32_t component1		{ 0 };
+		uint16_t component2		{ 0 };
+		uint16_t component3		{ 0 };
+		uint8_t component45[8]	{   };
+
+		bool operator==(const GUID& other) const
+		{
+			return memcmp(this, &other, sizeof(GUID)) == 0;
+		}
+	};
+	static_assert(sizeof(GUID) == 16);
+
+}