1 files changed, 41 insertions, 0 deletions
diff --git a/include/erebos/uuid.h b/include/erebos/uuid.h
new file mode 100644
index 0000000..d6ccf50
--- /dev/null
+++ b/include/erebos/uuid.h
@@ -0,0 +1,41 @@
+#pragma once
+
+#include <array>
+#include <cstdint>
+#include <cstring>
+#include <optional>
+#include <string>
+
+namespace erebos {
+
+struct UUID
+{
+	UUID(): uuid({}) {}
+	explicit UUID(const std::string &);
+	explicit operator std::string() const;
+
+	static std::optional<UUID> fromString(const std::string &);
+	static bool fromString(const std::string &, UUID &);
+
+	static UUID generate();
+
+	bool operator==(const UUID &) const;
+	bool operator!=(const UUID &) const;
+
+	std::array<uint8_t, 16> uuid;
+};
+
+}
+
+namespace std
+{
+	template<> struct hash<erebos::UUID>
+	{
+		std::size_t operator()(const erebos::UUID & uuid) const noexcept
+		{
+			std::size_t res;
+			std::memcpy(&res, uuid.uuid.data(), sizeof res);
+			return res;
+		}
+	};
+}