attach await_ready await_suspend cast_ret_value convert_to detach forward_to forward_to future future future get get_promise has_exception has_value is_awaited is_deferred is_in_progress is_pending operator cast_ret_value operator! operator<< operator>> requires ret_value set_callback setDeferredEvaluation start startDeferredEvaluation then unset_callback wait ~future

then() template<typename T > template<std::invocable<> Fn> bool coro::future< T >::then ( Fn &&  fn ) inline Sets function which is called once future is resolved (always) The function is called always, regardless on whether the future is already resolved Parameters fn function to call when future is resolved Return values true function will be called in future false function was called immediatelly, because the future was already resolved (you can ignore return value) Note There can be only one callback at time. Attempt to call this function twice can cause that previous function is destroyed without calling Definition at line 647 of file future.h.