Sprout/sprout/algorithm/fixed/remove_copy_if.hpp
bolero-MURAKAMI 0c00166c5f fix container_traits for array-like classes
fix coding style algorithm/
2012-09-29 17:10:46 +09:00

62 lines
2.4 KiB
C++

#ifndef SPROUT_ALGORITHM_FIXED_REMOVE_COPY_IF_HPP
#define SPROUT_ALGORITHM_FIXED_REMOVE_COPY_IF_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
#include <sprout/iterator/operation.hpp>
#include <sprout/algorithm/fixed/result_of.hpp>
#include <sprout/detail/container_complate.hpp>
namespace sprout {
namespace fixed {
namespace detail {
template<typename InputIterator, typename Result, typename Predicate, typename... Args>
inline SPROUT_CONSTEXPR typename std::enable_if<
sprout::container_traits<Result>::static_size == sizeof...(Args),
typename sprout::fixed::result_of::algorithm<Result>::type
>::type
remove_copy_if_impl(
InputIterator first, InputIterator last,
Result const& result, Predicate pred,
typename sprout::container_traits<Result>::size_type size,
Args const&... args
)
{
return sprout::remake<Result>(result, sprout::size(result), args...);
}
template<typename InputIterator, typename Result, typename Predicate, typename... Args>
inline SPROUT_CONSTEXPR typename std::enable_if<
sprout::container_traits<Result>::static_size != sizeof...(Args),
typename sprout::fixed::result_of::algorithm<Result>::type
>::type
remove_copy_if_impl(
InputIterator first, InputIterator last,
Result const& result, Predicate pred,
typename sprout::container_traits<Result>::size_type size,
Args const&... args
)
{
return first != last && sizeof...(Args) < size
? pred(*first)
? sprout::fixed::detail::remove_copy_if_impl(sprout::next(first), last, result, pred, size, args...)
: sprout::fixed::detail::remove_copy_if_impl(sprout::next(first), last, result, pred, size, args..., *first)
: sprout::detail::container_complate(result, args...)
;
}
} // namespace detail
//
// remove_copy_if
//
template<typename InputIterator, typename Result, typename Predicate>
inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Result>::type
remove_copy_if(InputIterator first, InputIterator last, Result const& result, Predicate pred) {
return sprout::fixed::detail::remove_copy_if_impl(first, last, result, pred, sprout::size(result));
}
} // namespace fixed
using sprout::fixed::remove_copy_if;
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIXED_REMOVE_COPY_IF_HPP