mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-27 00:53:44 +00:00
111 lines
2.9 KiB
C++
111 lines
2.9 KiB
C++
/*=============================================================================
|
|
Copyright (c) 2011-2014 Bolero MURAKAMI
|
|
https://github.com/bolero-MURAKAMI/Sprout
|
|
|
|
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
=============================================================================*/
|
|
#ifndef SPROUT_FUNCTIONAL_HASH_HASH_HPP
|
|
#define SPROUT_FUNCTIONAL_HASH_HASH_HPP
|
|
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/workaround/std/cstddef.hpp>
|
|
#include <sprout/functional/hash/hash_fwd.hpp>
|
|
#include <sprout/functional/hash/to_hash.hpp>
|
|
#include <sprout/utility/forward.hpp>
|
|
|
|
namespace sprout {
|
|
//
|
|
// hash
|
|
//
|
|
template<typename T = void>
|
|
struct hash {
|
|
public:
|
|
typedef T argument_type;
|
|
typedef std::size_t result_type;
|
|
public:
|
|
SPROUT_CONSTEXPR std::size_t operator()(T const& v) const {
|
|
return sprout::to_hash(v);
|
|
}
|
|
};
|
|
template<typename T>
|
|
struct hash<T const>
|
|
: public sprout::hash<T>
|
|
{};
|
|
template<typename T>
|
|
struct hash<T volatile>
|
|
: public sprout::hash<T>
|
|
{};
|
|
template<typename T>
|
|
struct hash<T const volatile>
|
|
: public sprout::hash<T>
|
|
{};
|
|
template<>
|
|
struct hash<void> {
|
|
public:
|
|
typedef std::size_t result_type;
|
|
public:
|
|
template<typename T>
|
|
SPROUT_CONSTEXPR std::size_t
|
|
operator()(T&& v)
|
|
const SPROUT_NOEXCEPT_IF_EXPR(sprout::to_hash(SPROUT_FORWARD(T, v)))
|
|
{
|
|
return sprout::to_hash(SPROUT_FORWARD(T, v));
|
|
}
|
|
};
|
|
|
|
#define SPROUT_HASH_SPECIALIZE(TYPE) \
|
|
template<> \
|
|
struct hash<TYPE> { \
|
|
public: \
|
|
typedef TYPE argument_type; \
|
|
typedef std::size_t result_type; \
|
|
public: \
|
|
SPROUT_CONSTEXPR std::size_t operator()(TYPE v) const { \
|
|
return sprout::to_hash(v); \
|
|
} \
|
|
}
|
|
#define SPROUT_HASH_SPECIALIZE_REF(TYPE) \
|
|
template<> \
|
|
struct hash<TYPE> { \
|
|
public: \
|
|
typedef TYPE argument_type; \
|
|
typedef std::size_t result_type; \
|
|
public: \
|
|
SPROUT_CONSTEXPR std::size_t operator()(TYPE const& v) const { \
|
|
return sprout::to_hash(v); \
|
|
} \
|
|
}
|
|
|
|
SPROUT_HASH_SPECIALIZE(bool);
|
|
SPROUT_HASH_SPECIALIZE(char);
|
|
SPROUT_HASH_SPECIALIZE(signed char);
|
|
SPROUT_HASH_SPECIALIZE(unsigned char);
|
|
SPROUT_HASH_SPECIALIZE(char16_t);
|
|
SPROUT_HASH_SPECIALIZE(char32_t);
|
|
SPROUT_HASH_SPECIALIZE(wchar_t);
|
|
SPROUT_HASH_SPECIALIZE(short);
|
|
SPROUT_HASH_SPECIALIZE(unsigned short);
|
|
SPROUT_HASH_SPECIALIZE(int);
|
|
SPROUT_HASH_SPECIALIZE(unsigned int);
|
|
SPROUT_HASH_SPECIALIZE(long);
|
|
SPROUT_HASH_SPECIALIZE(unsigned long);
|
|
SPROUT_HASH_SPECIALIZE(long long);
|
|
SPROUT_HASH_SPECIALIZE(unsigned long long);
|
|
|
|
#undef SPROUT_HASH_SPECIALIZE
|
|
#undef SPROUT_HASH_SPECIALIZE_REF
|
|
|
|
template<typename T>
|
|
struct hash<T*> {
|
|
public:
|
|
typedef T* argument_type;
|
|
typedef std::size_t result_type;
|
|
public:
|
|
std::size_t operator()(T* v) const {
|
|
return sprout::to_hash(v);
|
|
}
|
|
};
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_FUNCTIONAL_HASH_HASH_HPP
|