cpp-lazy-stream/include/stream/tuple_view.h

//
//  tuple_view.h
//  stream
//
//  Created by Sam Jaffe on 3/29/23.
//

#pragma once

#include <stream/transform_view.h>

namespace stream::ranges::views {
template <size_t I> auto elements() {
  return transform(
      [](auto & tuple) -> decltype(auto) { return std::get<I>(tuple); });
}

inline auto keys() { return elements<0>(); }
inline auto values() { return elements<1>(); }
}