mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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98 lines
3.3 KiB
C++
98 lines
3.3 KiB
C++
#ifndef SPROUT_CONTAINER_CONTAINER_TRAITS_HPP
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#define SPROUT_CONTAINER_CONTAINER_TRAITS_HPP
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#include <cstddef>
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#include <array>
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#include <sprout/config.hpp>
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namespace sprout {
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//
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// container_traits
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//
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template<typename Container>
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struct container_traits;
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namespace detail {
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template<typename Container>
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struct container_traits_default_types {
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public:
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typedef typename Container::value_type value_type;
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typedef typename Container::iterator iterator;
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typedef typename Container::const_iterator const_iterator;
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typedef typename Container::reference reference;
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typedef typename Container::const_reference const_reference;
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typedef typename Container::size_type size_type;
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typedef typename Container::difference_type difference_type;
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typedef typename Container::pointer pointer;
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typedef typename Container::const_pointer const_pointer;
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};
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template<typename T, std::size_t N>
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struct container_traits_default_types<T[N]> {
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public:
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typedef T value_type;
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typedef T* iterator;
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typedef T const* const_iterator;
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typedef T& reference;
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typedef T const& const_reference;
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typedef std::size_t size_type;
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typedef std::ptrdiff_t difference_type;
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typedef T* pointer;
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typedef T const* const_pointer;
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};
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template<typename Container>
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struct container_traits_default_size {
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public:
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SPROUT_STATIC_CONSTEXPR typename sprout::detail::container_traits_default_types<Container>::size_type static_size
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= std::tuple_size<Container>::value
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;
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public:
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static SPROUT_CONSTEXPR typename sprout::detail::container_traits_default_types<Container>::size_type fixed_size() {
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return static_size;
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}
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};
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template<typename T, std::size_t N>
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struct container_traits_default_size<T[N]> {
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public:
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SPROUT_STATIC_CONSTEXPR typename sprout::detail::container_traits_default_types<T[N]>::size_type static_size
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= N
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;
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public:
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static SPROUT_CONSTEXPR typename sprout::detail::container_traits_default_types<T[N]>::size_type fixed_size() {
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return static_size;
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}
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};
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} // namespace detail
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template<typename Container>
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struct container_traits
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: public sprout::detail::container_traits_default_types<Container>
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, public sprout::detail::container_traits_default_size<Container>
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{};
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template<typename Container>
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struct container_traits<Container const>
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: public sprout::container_traits<Container>
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{
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public:
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typedef typename sprout::container_traits<Container>::const_iterator iterator;
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typedef typename sprout::container_traits<Container>::const_reference reference;
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typedef typename sprout::container_traits<Container>::const_pointer pointer;
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};
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template<typename T, std::size_t N>
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struct container_traits<T[N]>
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: public sprout::detail::container_traits_default_types<T[N]>
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, public sprout::detail::container_traits_default_size<T[N]>
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{};
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template<typename T, std::size_t N>
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struct container_traits<T const[N]>
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: public sprout::container_traits<T[N]>
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{
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public:
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typedef typename sprout::container_traits<T[N]>::const_iterator iterator;
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typedef typename sprout::container_traits<T[N]>::const_reference reference;
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typedef typename sprout::container_traits<T[N]>::const_pointer pointer;
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};
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} // namespace sprout
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#endif // #ifndef SPROUT_CONTAINER_CONTAINER_TRAITS_HPP
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