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https://github.com/bolero-MURAKAMI/Sprout.git
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46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
#ifndef SPROUT_OPERATION_FIXED_POP_BACK_N_HPP
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#define SPROUT_OPERATION_FIXED_POP_BACK_N_HPP
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#include <cstddef>
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#include <sprout/config.hpp>
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#include <sprout/index_tuple.hpp>
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#include <sprout/fixed_container/traits.hpp>
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#include <sprout/fixed_container/functions.hpp>
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#include <sprout/operation/fixed/erase_n.hpp>
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namespace sprout {
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namespace fixed {
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namespace result_of {
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//
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// pop_back_n
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//
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template<std::size_t N, typename Container>
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struct pop_back_n
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: public sprout::fixed::result_of::erase_n<N, Container>
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{};
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} // namespace result_of
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//
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// pop_back_n
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//
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template<std::size_t N, typename Container>
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SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::pop_back_n<N, Container>::type pop_back_n(
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Container const& cont
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)
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{
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return sprout::fixed::detail::erase_n_impl<N, typename sprout::fixed::result_of::pop_back_n<N, Container>::type>(
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cont,
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typename sprout::index_range<0, sprout::fixed_container_traits<typename sprout::fixed::result_of::pop_back_n<N, Container>::type>::fixed_size>::type(),
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sprout::fixed_end_offset(cont) - N
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);
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}
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} // namespace fixed
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namespace result_of {
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using sprout::fixed::result_of::pop_back_n;
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} // namespace result_of
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using sprout::fixed::pop_back_n;
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} // namespace sprout
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#endif // #ifndef SPROUT_OPERATION_FIXED_POP_BACK_N_HPP
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