mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2014 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_DETAIL_CALL_TRAITS_HPP
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#define SPROUT_DETAIL_CALL_TRAITS_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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namespace sprout {
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namespace detail {
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template<typename T, bool Small>
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struct ct_impl_1 {
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public:
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typedef T const& param_type;
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};
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template<typename T>
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struct ct_impl_1<T, true> {
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public:
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typedef T const param_type;
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};
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template<typename T, bool IsPointer, bool IsArithmetic>
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struct ct_impl {
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public:
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typedef T const& param_type;
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};
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template<typename T, bool IsPointer>
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struct ct_impl<T, IsPointer, true> {
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public:
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typedef typename sprout::detail::ct_impl_1<T, sizeof(T) <= sizeof(void*)>::param_type param_type;
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};
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template<typename T, bool IsArithmetic>
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struct ct_impl<T, true, IsArithmetic> {
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public:
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typedef T const param_type;
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};
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template<typename T>
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struct call_traits {
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public:
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typedef T value_type;
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typedef T& reference;
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typedef T const& const_reference;
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typedef typename sprout::detail::ct_impl<
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T,
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std::is_pointer<T>::value,
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std::is_arithmetic<T>::value
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>::param_type param_type;
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};
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template<typename T>
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struct call_traits<T&> {
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typedef T& value_type;
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typedef T& reference;
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typedef T const& const_reference;
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typedef T& param_type;
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};
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} // namespace detail
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} // namespace sprout
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#endif // #ifndef SPROUT_DETAIL_CALL_TRAITS_HPP
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