elements_view() requires std::default_initializable<V> = default; | (1) | (since C++20) |
constexpr explicit elements_view( V base ); | (2) | (since C++20) |
Constructs an elements_view
.
base()
returns a copy of V()
.std::move(base)
.base | - | the underlying view |
#include <array> #include <iostream> #include <ranges> #include <tuple> void println(auto const& v) { for (auto const& e : v) std::cout << e << ' '; std::cout << '\n'; } int main() { using namespace std::literals; const std::array<std::tuple<int, char, std::string>, 2> vt { std::tuple{1, 'A', "α"s}, std::tuple{2, 'B', "β"s}, }; [[maybe_unused]] auto empty = std::views::elements<0>; println(std::views::elements<0>(vt)); println(std::views::elements<1>(vt)); println(std::views::elements<2>(vt)); }
Output:
1 2 A B α β
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