Sprout/sprout/tuple/string.hpp

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2011-10-31 08:31:03 +00:00
#ifndef SPROUT_TUPLE_STRING_HPP
#define SPROUT_TUPLE_STRING_HPP
#include <cstddef>
#include <utility>
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#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/tuple/tuple.hpp>
#include <sprout/string.hpp>
namespace sprout {
namespace tuples {
//
// get
//
template<std::size_t I, typename T, std::size_t N, typename Traits>
T& get(sprout::basic_string<T, N, Traits>& t) SPROUT_NOEXCEPT {
static_assert(I < N, "get: index out of range");
return t[I];
}
template<std::size_t I, typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR T const& get(sprout::basic_string<T, N, Traits> const& t) SPROUT_NOEXCEPT {
static_assert(I < N, "get: index out of range");
return t[I];
}
template<std::size_t I, typename T, std::size_t N, typename Traits>
T&& get(sprout::basic_string<T, N, Traits>&& t) SPROUT_NOEXCEPT {
return std::move(sprout::tuples::get<I>(t));
}
} // namespace tuples
using sprout::tuples::get;
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} // namespace sprout
#endif // #ifndef SPROUT_TUPLE_STRING_HPP