as_const.hpp

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#pragma once
#include <type_traits>

namespace xtd {
  template<class type_t>
  [[nodiscard]] constexpr auto as_const(type_t& type) noexcept -> std::add_const_t<type_t>& {
    return type;
  }

  template<class type_t>
  [[nodiscard]] constexpr auto as_const(type_t* type) noexcept -> std::add_const_t<type_t>* {
    return type;
  }

  template<class type_t>
  auto as_const(const type_t&&) -> void = delete;
}