Sprout/sprout/tuple/pit.hpp
2012-05-31 22:28:58 +09:00

39 lines
1.4 KiB
C++

#ifndef SPROUT_TUPLE_PIT_HPP
#define SPROUT_TUPLE_PIT_HPP
#include <cstddef>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/utility/move.hpp>
#include <sprout/pit.hpp>
namespace sprout {
namespace tuples {
//
// get
//
template<std::size_t I, typename Container>
inline SPROUT_CONSTEXPR typename sprout::container_traits<sprout::pit<Container> >::value_type&
get(sprout::pit<Container>& t) SPROUT_NOEXCEPT {
static_assert(I < sprout::container_traits<sprout::pit<Container> >::static_size, "get: index out of range");
return t[I];
}
template<std::size_t I, typename Container>
inline SPROUT_CONSTEXPR typename sprout::container_traits<sprout::pit<Container> >::value_type const&
get(sprout::pit<Container> const& t) SPROUT_NOEXCEPT {
static_assert(I < sprout::container_traits<sprout::pit<Container> >::static_size, "get: index out of range");
return t[I];
}
template<std::size_t I, typename Container>
inline SPROUT_CONSTEXPR typename sprout::container_traits<sprout::pit<Container> >::value_type&&
get(sprout::pit<Container>&& t)
SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::move(sprout::tuples::get<I>(t))))
{
return sprout::move(sprout::tuples::get<I>(t));
}
} // namespace tuples
using sprout::tuples::get;
} // namespace sprout
#endif // #ifndef SPROUT_TUPLE_PIT_HPP