in_in_out_result.hpp

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//
// Created by yonggyulee on 1/25/24.
//
 
#ifndef VCCC_ALGORITHM_RANGES_IN_IN_OUT_RESULT_HPP
#define VCCC_ALGORITHM_RANGES_IN_IN_OUT_RESULT_HPP
 
#include <type_traits>
#include <utility>
 
#include "vccc/__core/no_unique_address.hpp"
#include "vccc/__concepts/convertible_to.hpp"
#include "vccc/__type_traits/conjunction.hpp"
 
namespace vccc {
namespace ranges {
 
 
template<typename I1, typename I2, typename O>
struct in_in_out_result {
  VCCC_NO_UNIQUE_ADDRESS I1 in1;
  VCCC_NO_UNIQUE_ADDRESS I2 in2;
  VCCC_NO_UNIQUE_ADDRESS O out;
 
  template<typename II1, typename II2, typename OO, std::enable_if_t<conjunction<
      convertible_to<const I1&, II1>,
      convertible_to<const I2&, II2>,
      convertible_to<const O&, OO>
  >::value, int> = 0>
  constexpr operator in_in_out_result<I2, II2, OO>() const & {
    return {in1, in2, out};
  }
 
  template<typename II1, typename II2, typename OO, std::enable_if_t<conjunction<
      convertible_to<I1, II1>,
      convertible_to<I2, II2>,
      convertible_to<O, OO>
  >::value, int> = 0>
  constexpr operator in_in_out_result<I2, II2, OO>() && {
    return {std::move(in1), std::move(in2), std::move(out)};
  }
};
 
 
} // namespace ranges
} // namespace vccc
 
#endif // VCCC_ALGORITHM_RANGES_IN_IN_OUT_RESULT_HPP