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https://github.com/bolero-MURAKAMI/Sprout.git
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45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
#ifndef SPROUT_OPERATION_FIT_POP_FRONT_N_HPP
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#define SPROUT_OPERATION_FIT_POP_FRONT_N_HPP
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#include <cstddef>
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#include <sprout/config.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/pop_front_n.hpp>
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#include <sprout/sub_array.hpp>
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namespace sprout {
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namespace fit {
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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:
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typedef sprout::sub_array<
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typename sprout::fixed_container_traits<
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typename sprout::fixed::result_of::pop_front_n<N, Container>::type
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>::internal_type
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> type;
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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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SPROUT_CONSTEXPR inline typename sprout::fit::result_of::pop_front_n<N, Container>::type pop_front_n(
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Container const& cont
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)
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{
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return sprout::sub_copy(
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sprout::get_fixed(sprout::fixed::pop_front_n<N>(cont)),
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sprout::fixed_begin_offset(cont),
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sprout::fixed_end_offset(cont) - N
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);
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}
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} // namespace fit
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} // namespace sprout
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#endif // #ifndef SPROUT_OPERATION_FIT_POP_FRONT_N_HPP
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