Method construct_with

src/include/expected.hpp:705–708

  }

  template <class Rhs> void construct_with(Rhs &&rhs) noexcept {
    new (std::addressof(this->m_val)) T(std::forward<Rhs>(rhs).get());
    this->m_has_val = true;
  }

  template <class... Args> void construct_error(Args &&...args) noexcept {
    new (std::addressof(this->m_unexpect))