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49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
#ifndef SPROUT_TUPLE_OPERATION_PUSH_BACK_HPP
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#define SPROUT_TUPLE_OPERATION_PUSH_BACK_HPP
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#include <sprout/config.hpp>
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#include <sprout/index_tuple/metafunction.hpp>
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#include <sprout/tuple/tuple.hpp>
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#include <sprout/tuple/functions.hpp>
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#include <sprout/tuple/indexes.hpp>
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#include <sprout/type/operation/push_back.hpp>
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namespace sprout {
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namespace tuples {
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namespace result_of {
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//
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// push_back
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//
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template<typename Tuple, typename... Args>
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struct push_back
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: public sprout::types::push_back<Tuple, Args...>
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{};
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} // namespace result_of
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namespace detail {
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template<typename Result, typename Tuple, typename... Args, sprout::index_t... Indexes>
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inline SPROUT_CONSTEXPR Result
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push_back_impl(Tuple const& t, sprout::index_tuple<Indexes...>, Args const&... args) {
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return sprout::tuples::remake<Result>(
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t,
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sprout::tuples::get<Indexes>(t)...,
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args...
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);
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}
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} // namespace detail
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//
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// push_back
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//
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template<typename Tuple, typename... Args>
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inline SPROUT_CONSTEXPR typename sprout::tuples::result_of::push_back<Tuple, Args...>::type
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push_back(Tuple const& t, Args const&... args) {
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return sprout::tuples::detail::push_back_impl<typename sprout::tuples::result_of::push_back<Tuple, Args...>::type>(
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t,
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sprout::tuple_indexes<Tuple>::make(),
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args...
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);
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}
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} // namespace tuples
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} // namespace sprout
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#endif // #ifndef SPROUT_TUPLE_OPERATION_PUSH_BACK_HPP
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