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#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;
}
};
}
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