Sprout/sprout/tuple/pit.hpp
2011-10-31 20:30:08 +09:00

44 lines
1.4 KiB
C++

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