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Sprout/sprout/algorithm/fit/remove_if.hpp
2015-01-10 19:13:57 +09:00

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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_ALGORITHM_FIT_REMOVE_IF_HPP
#define SPROUT_ALGORITHM_FIT_REMOVE_IF_HPP
#include <sprout/config.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
#include <sprout/algorithm/count_if.hpp>
#include <sprout/algorithm/fixed/remove_if.hpp>
#include <sprout/algorithm/fit/results.hpp>
#include <sprout/sub_array/sub_array.hpp>
#include <sprout/sub_array/sub.hpp>
namespace sprout {
namespace fit {
namespace detail {
template<typename Container, typename Predicate>
inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Container>::type
remove_if_impl(
Container const& cont, Predicate pred,
typename sprout::container_traits<Container>::difference_type offset
)
{
return sprout::sub_copy(
sprout::get_internal(sprout::fixed::remove_if(cont, pred)),
offset,
offset + sprout::size(cont) - sprout::count_if(sprout::begin(cont), sprout::end(cont), pred)
);
}
} // namespace detail
//
// remove_if
//
template<typename Container, typename Predicate>
inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Container>::type
remove_if(Container const& cont, Predicate pred) {
return sprout::fit::detail::remove_if_impl(cont, pred, sprout::internal_begin_offset(cont));
}
} // namespace fit
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIT_REMOVE_IF_HPP