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Sprout/sprout/algorithm/copy_if.hpp

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C++

/*=============================================================================
Copyright (c) 2011-2013 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_COPY_IF_HPP
#define SPROUT_ALGORITHM_COPY_IF_HPP
#include <sprout/config.hpp>
#include <sprout/type_traits/enabler_if.hpp>
#include <sprout/iterator/type_traits/is_iterator_of.hpp>
#include <sprout/algorithm/fixed/result_of.hpp>
#include <sprout/algorithm/fixed/copy_if.hpp>
namespace sprout {
//
// 25.3.1 Copy
//
template<
typename InputIterator, typename OutputIterator, typename Predicate,
typename sprout::enabler_if<sprout::is_output_iterator<OutputIterator>::value>::type = sprout::enabler
>
inline SPROUT_CXX14_CONSTEXPR OutputIterator
copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred) {
for (; first != last; ++first) {
if (pred(*first)) {
*result++ = *first;
}
}
return result;
}
template<
typename InputIterator, typename Result, typename Predicate,
typename sprout::enabler_if<!sprout::is_output_iterator<Result>::value>::type = sprout::enabler
>
inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Result>::type
copy_if(InputIterator first, InputIterator last, Result const& result, Predicate pred) {
return sprout::fixed::copy_if(first, last, result, pred);
}
template<typename Result, typename InputIterator, typename Predicate>
inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Result>::type
copy_if(InputIterator first, InputIterator last, Predicate pred) {
return sprout::fixed::copy_if<Result>(first, last, pred);
}
} // namespace sprout
#include <sprout/algorithm/fixed/copy_if.hpp>
#include <sprout/algorithm/fit/copy_if.hpp>
#endif // #ifndef SPROUT_ALGORITHM_COPY_IF_HPP