Method __execute_impl_

include/stdexec/stop_token.hpp:238–242

   private:
    static constexpr void
    __execute_impl_(STDEXEC::__stok::__inplace_stop_callback_base* cb) noexcept
    {
      std::move(static_cast<inplace_stop_callback*>(cb)->__fun_)();
    }

    STDEXEC_ATTRIBUTE(no_unique_address) _Fun __fun_;
  };