mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
90 lines
2.2 KiB
C++
90 lines
2.2 KiB
C++
#ifndef SPROUT_FUNCTIONAL_HASH_HASH_HPP
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#define SPROUT_FUNCTIONAL_HASH_HASH_HPP
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#include <cstddef>
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#include <sprout/config.hpp>
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#include <sprout/functional/hash/hash_fwd.hpp>
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#include <sprout/functional/hash/to_hash.hpp>
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namespace sprout {
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//
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// hash
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//
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template<typename T>
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struct hash {
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public:
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typedef T argument_type;
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typedef std::size_t result_type;
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public:
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SPROUT_CONSTEXPR std::size_t operator()(T const& v) const {
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return sprout::to_hash(v);
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}
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};
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template<typename T>
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struct hash<T const>
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: public sprout::hash<T>
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{};
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template<typename T>
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struct hash<T volatile>
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: public sprout::hash<T>
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{};
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template<typename T>
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struct hash<T const volatile>
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: public sprout::hash<T>
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{};
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#define SPROUT_HASH_SPECIALIZE(type) \
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template<> \
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struct hash<type> { \
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public: \
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typedef type argument_type; \
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typedef std::size_t result_type; \
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public: \
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SPROUT_CONSTEXPR std::size_t operator()(type v) const { \
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return sprout::to_hash(v); \
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} \
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}
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#define SPROUT_HASH_SPECIALIZE_REF(type) \
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template<> \
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struct hash<type> { \
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public: \
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typedef type argument_type; \
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typedef std::size_t result_type; \
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public: \
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SPROUT_CONSTEXPR std::size_t operator()(type const& v) const { \
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return sprout::to_hash(v); \
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} \
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}
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SPROUT_HASH_SPECIALIZE(bool);
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SPROUT_HASH_SPECIALIZE(char);
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SPROUT_HASH_SPECIALIZE(signed char);
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SPROUT_HASH_SPECIALIZE(unsigned char);
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SPROUT_HASH_SPECIALIZE(char16_t);
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SPROUT_HASH_SPECIALIZE(char32_t);
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SPROUT_HASH_SPECIALIZE(wchar_t);
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SPROUT_HASH_SPECIALIZE(short);
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SPROUT_HASH_SPECIALIZE(unsigned short);
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SPROUT_HASH_SPECIALIZE(int);
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SPROUT_HASH_SPECIALIZE(unsigned int);
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SPROUT_HASH_SPECIALIZE(long);
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SPROUT_HASH_SPECIALIZE(unsigned long);
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SPROUT_HASH_SPECIALIZE(long long);
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SPROUT_HASH_SPECIALIZE(unsigned long long);
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#undef SPROUT_HASH_SPECIALIZE
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#undef SPROUT_HASH_SPECIALIZE_REF
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template<typename T>
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struct hash<T*> {
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public:
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typedef T* argument_type;
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typedef std::size_t result_type;
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public:
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std::size_t operator()(T* v) const {
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return sprout::to_hash(v);
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}
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};
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} // namespace sprout
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#endif // #ifndef SPROUT_FUNCTIONAL_HASH_HASH_HPP
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