Method stack_allocated

single_header/libfork.hpp:2679–2679

* @brief Construct a new co allocated object. */

   * @brief Construct a new co allocated object.
   */
  stack_allocated(impl::frame *frame, std::span<T> span) noexcept : m_frame{frame}, m_span{span} {}

  /**
   * @brief Get a span over the allocated memory.