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45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
#ifndef SPROUT_OPERATION_FIXED_POP_FRONT_N_HPP
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#define SPROUT_OPERATION_FIXED_POP_FRONT_N_HPP
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#include <cstddef>
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#include <sprout/config.hpp>
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#include <sprout/index_tuple/metafunction.hpp>
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#include <sprout/container/traits.hpp>
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#include <sprout/container/functions.hpp>
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#include <sprout/container/indexes.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_front_n
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//
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template<std::size_t N, typename Container>
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struct pop_front_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_front_n
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//
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template<std::size_t N, typename Container>
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inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::pop_front_n<N, Container>::type
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pop_front_n(Container const& cont) {
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return sprout::fixed::detail::erase_n_impl<N, typename sprout::fixed::result_of::pop_front_n<N, Container>::type>(
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cont,
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sprout::container_indexes<typename sprout::fixed::result_of::pop_front_n<N, Container>::type>::make(),
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sprout::internal_begin_offset(cont)
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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_front_n;
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} // namespace result_of
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using sprout::fixed::pop_front_n;
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} // namespace sprout
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#endif // #ifndef SPROUT_OPERATION_FIXED_POP_FRONT_N_HPP
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