mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-29 01:03:45 +00:00
65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
/*=============================================================================
|
|
Copyright (c) 2011-2017 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_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
|