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sprout/compressed_pair.hpp 追加

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bolero-MURAKAMI 2012-01-05 19:53:06 +09:00
parent 7479f20c46
commit 9dbdf452d9
2 changed files with 488 additions and 0 deletions
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58
sprout/detail/call_traits.hpp Normal file
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#ifndef SPROUT_DETAIL_CALL_TRAITS_HPP
#define SPROUT_DETAIL_CALL_TRAITS_HPP
#include <type_traits>
#include <sprout/config.hpp>
namespace sprout {
namespace detail {
template<typename T, bool Small>
struct ct_impl_1 {
public:
typedef T const& param_type;
};
template<typename T>
struct ct_impl_1<T, true> {
public:
typedef T const param_type;
};
template<typename T, bool IsPointer, bool IsArithmetic>
struct ct_impl {
public:
typedef T const& param_type;
};
template<typename T, bool IsPointer>
struct ct_impl<T, IsPointer, true> {
public:
typedef typename sprout::detail::ct_impl_1<T, sizeof(T) <= sizeof(void*)>::param_type param_type;
};
template<typename T, bool IsArithmetic>
struct ct_impl<T, true, IsArithmetic> {
public:
typedef T const param_type;
};
template<typename T>
struct call_traits {
public:
typedef T value_type;
typedef T& reference;
typedef T const& const_reference;
typedef typename sprout::detail::ct_impl<
T,
std::is_pointer<T>::value,
std::is_arithmetic<T>::value
>::param_type param_type;
};
template<typename T>
struct call_traits<T&> {
typedef T& value_type;
typedef T& reference;
typedef T const& const_reference;
typedef T& param_type;
};
} // namespace detail
} // namespace sprout
#endif // #ifndef SPROUT_DETAIL_CALL_TRAITS_HPP