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Sprout/sprout/algorithm/fixed/remove_copy.hpp
2011-10-30 17:40:35 +09:00

69 lines
2.5 KiB
C++

#ifndef SPROUT_ALGORITHM_FIXED_REMOVE_COPY_HPP
#define SPROUT_ALGORITHM_FIXED_REMOVE_COPY_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/fixed_container/traits.hpp>
#include <sprout/fixed_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 T, typename... Args>
SPROUT_CONSTEXPR inline typename std::enable_if<
sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
typename sprout::fixed::result_of::algorithm<Result>::type
>::type remove_copy_impl(
InputIterator first,
InputIterator last,
Result const& result,
T const& value,
typename sprout::fixed_container_traits<Result>::size_type size,
Args const&... args
)
{
return sprout::remake_clone<Result>(result, sprout::size(result), args...);
}
template<typename InputIterator, typename Result, typename T, typename... Args>
SPROUT_CONSTEXPR inline typename std::enable_if<
sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
typename sprout::fixed::result_of::algorithm<Result>::type
>::type remove_copy_impl(
InputIterator first,
InputIterator last,
Result const& result,
T const& value,
typename sprout::fixed_container_traits<Result>::size_type size,
Args const&... args
)
{
return first != last && sizeof...(Args) < size
? *first == value
? sprout::fixed::detail::remove_copy_impl(sprout::next(first), last, result, value, size, args...)
: sprout::fixed::detail::remove_copy_impl(sprout::next(first), last, result, value, size, args..., *first)
: sprout::detail::container_complate(result, args...)
;
}
} // namespace detail
//
// remove_copy
//
template<typename InputIterator, typename Result, typename T>
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type remove_copy(
InputIterator first,
InputIterator last,
Result const& result,
T const& value
)
{
return sprout::fixed::detail::remove_copy_impl(first, last, result, value, sprout::size(result));
}
} // namespace fixed
using sprout::fixed::remove_copy;
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIXED_REMOVE_COPY_HPP