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kurotych/tuple to pair

Last active May 9, 2019 15:27
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tuple to pair
#include <utility>
// C++14
template <int i1, int i2, typename... Args>
auto to_pair(std::tuple<Args...> t)
{
return std::make_pair(std::get<i1>(t), std::get<i2>(t));
}
// C++11
template <int i1, int i2, typename... Args>
auto to_pair(std::tuple<Args...> t)
-> decltype(std::make_pair(std::get<i1>(t),std::get<i2>(t)))
{
return std::make_pair(std::get<i1>(t), std::get<i2>(t));
}
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