mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-14 10:39:05 +00:00
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
#ifndef SPROUT_TUPLE_OPERATION_PUSH_FRONT_HPP
|
|
#define SPROUT_TUPLE_OPERATION_PUSH_FRONT_HPP
|
|
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/index_tuple.hpp>
|
|
#include <sprout/tuple/tuple.hpp>
|
|
#include <sprout/tuple/functions.hpp>
|
|
#include <sprout/type/operation/push_front.hpp>
|
|
|
|
namespace sprout {
|
|
namespace tuples {
|
|
namespace result_of {
|
|
//
|
|
// push_front
|
|
//
|
|
template<typename Tuple, typename... Args>
|
|
struct push_front
|
|
: public sprout::types::push_front<Tuple, Args...>
|
|
{};
|
|
} // namespace result_of
|
|
|
|
namespace detail {
|
|
template<typename Result, typename Tuple, typename... Args, sprout::index_t... Indexes>
|
|
inline SPROUT_CONSTEXPR Result
|
|
push_front_impl(Tuple const& t, sprout::index_tuple<Indexes...>, Args const&... args) {
|
|
return sprout::tuples::remake<Result>(
|
|
t,
|
|
args...,
|
|
sprout::tuples::get<Indexes>(t)...
|
|
);
|
|
}
|
|
} // namespace detail
|
|
//
|
|
// push_front
|
|
//
|
|
template<typename Tuple, typename... Args>
|
|
inline SPROUT_CONSTEXPR typename sprout::tuples::result_of::push_front<Tuple, Args...>::type
|
|
push_front(Tuple const& t, Args const&... args) {
|
|
return sprout::tuples::detail::push_front_impl<typename sprout::tuples::result_of::push_front<Tuple, Args...>::type>(
|
|
t,
|
|
sprout::index_range<0, sprout::tuples::tuple_size<Tuple>::value>::make(),
|
|
args...
|
|
);
|
|
}
|
|
} // namespace tuples
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_TUPLE_OPERATION_PUSH_FRONT_HPP
|