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Sprout/sprout/operation/fixed/set.hpp
2015-01-10 19:13:57 +09:00

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2.8 KiB
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/*=============================================================================
Copyright (c) 2011-2015 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#ifndef SPROUT_OPERATION_FIXED_SET_HPP
#define SPROUT_OPERATION_FIXED_SET_HPP
#include <sprout/config.hpp>
#include <sprout/index_tuple/metafunction.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
#include <sprout/container/indexes.hpp>
#include <sprout/iterator/operation.hpp>
namespace sprout {
namespace fixed {
namespace results {
//
// set
//
template<typename Container, typename T>
struct set {
public:
typedef typename sprout::container_construct_traits<Container>::copied_type type;
};
} // namespace results
namespace detail {
template<typename Result, typename Container, typename T, sprout::index_t... Indexes>
inline SPROUT_CONSTEXPR Result
set_impl(
Container const& cont, sprout::index_tuple<Indexes...>,
typename sprout::container_traits<Container>::difference_type pos, T const& v
)
{
return sprout::remake<Result>(
cont,
sprout::size(cont),
(Indexes != pos
? *sprout::next(sprout::internal_begin(cont), Indexes)
: v
)...
);
}
} // namespace detail
//
// set
//
template<typename Container, typename T>
inline SPROUT_CONSTEXPR typename sprout::fixed::results::set<Container, T>::type
set(Container const& cont, typename sprout::container_traits<Container>::const_iterator pos, T const& v) {
return sprout::fixed::detail::set_impl<typename sprout::fixed::results::set<Container, T>::type>(
cont,
sprout::container_indexes<typename sprout::fixed::results::set<Container, T>::type>::make(),
sprout::distance(sprout::internal_begin(cont), pos),
v
);
}
template<typename Container, typename T>
inline SPROUT_CONSTEXPR typename sprout::fixed::results::set<Container, T>::type
set(Container const& cont, typename sprout::container_traits<Container>::difference_type pos, T const& v) {
return sprout::fixed::detail::set_impl<typename sprout::fixed::results::set<Container, T>::type>(
cont,
sprout::container_indexes<typename sprout::fixed::results::set<Container, T>::type>::make(),
sprout::distance(sprout::internal_begin(cont), sprout::next(sprout::begin(cont), pos)),
v
);
}
} // namespace fixed
namespace results {
using sprout::fixed::results::set;
} // namespace results
using sprout::fixed::set;
} // namespace sprout
#endif // #ifndef SPROUT_OPERATION_FIXED_SET_HPP