forked from lthn/blockchain
39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
// Copyright (c) 2014-2018 Zano Project
|
|
// Copyright (c) 2014-2018 The Louisdor Project
|
|
// Copyright (c) 2012-2013 The Cryptonote developers
|
|
// Copyright (c) 2012-2013 The Boolberry developers
|
|
// Distributed under the MIT/X11 software license, see the accompanying
|
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
#pragma once
|
|
|
|
#include <cstddef>
|
|
#include <cstring>
|
|
#include <functional>
|
|
|
|
#define POD_MAKE_COMPARABLE(space, type) \
|
|
namespace space { \
|
|
inline bool operator==(const type &_v1, const type &_v2) { \
|
|
return std::memcmp(&_v1, &_v2, sizeof(type)) == 0; \
|
|
} \
|
|
inline bool operator!=(const type &_v1, const type &_v2) { \
|
|
return std::memcmp(&_v1, &_v2, sizeof(type)) != 0; \
|
|
} \
|
|
}
|
|
|
|
#define POD_MAKE_HASHABLE(space, type) \
|
|
POD_MAKE_COMPARABLE(space, type) \
|
|
namespace space { \
|
|
static_assert(sizeof(std::size_t) <= sizeof(type), "Size of " #type " must be at least that of size_t"); \
|
|
inline std::size_t hash_value(const type &_v) { \
|
|
return reinterpret_cast<const std::size_t &>(_v); \
|
|
} \
|
|
} \
|
|
namespace std { \
|
|
template<> \
|
|
struct hash<space::type> { \
|
|
std::size_t operator()(const space::type &_v) const { \
|
|
return reinterpret_cast<const std::size_t &>(_v); \
|
|
} \
|
|
}; \
|
|
}
|