�PNG  IHDR��;���IDATx��ܻn�0���K�� �)(�pA��� ���7�LeG{�� �§㻢|��ذaÆ 6lذaÆ 6lذaÆ 6lom��$^�y���ذag�5bÆ 6lذaÆ 6lذa{���� 6lذaÆ �`����}H�Fkm�,�m����Ӫ���ô�ô!� �x�|'ܢ˟;�E:���9�&ᶒ�}�{�v]�n&�6� �h��_��t�ڠ͵-ҫ���Z;��Z$�.�P���k�ž)�!��o���>}l�eQfJ�T��u і���چ��\��X=8��Rن4`Vw�l�>����n�G�^��i�s��"ms�$�u��i��?w�bs[m�6�K4���O���.�4��%����/����b�C%��t ��M�ז� �-l�G6�mrz2���s�%�9��s@���-�k�9�=���)������k�B5����\��+͂�Zsٲ ��Rn��~G���R���C����� �wIcI��n7jJ���hۛNCS|���j0��8y�iHKֶۛ�k�Ɉ+;Sz������L/��F�*\��Ԕ�#"5��m�2��[S��������=�g��n�a�P�e�ғ�L�� lذaÆ 6l�^k��̱aÆ 6lذaÆ 6lذa;���� �_��ذaÆ 6lذaÆ 6lذaÆ ���R���IEND�B` then(function ($v) { echo $v; }); * * @param callable $generatorFn Generator function to wrap into a promise. * * @return Promise * * @link https://github.com/petkaantonov/bluebird/blob/master/API.md#generators inspiration */ final class Coroutine implements PromiseInterface { /** * @var PromiseInterface|null */ private $currentPromise; /** * @var Generator */ private $generator; /** * @var Promise */ private $result; public function __construct(callable $generatorFn) { $this->generator = $generatorFn(); $this->result = new Promise(function () { while (isset($this->currentPromise)) { $this->currentPromise->wait(); } }); try { $this->nextCoroutine($this->generator->current()); } catch (\Exception $exception) { $this->result->reject($exception); } catch (Throwable $throwable) { $this->result->reject($throwable); } } /** * Create a new coroutine. * * @return self */ public static function of(callable $generatorFn) { return new self($generatorFn); } public function then( callable $onFulfilled = null, callable $onRejected = null ) { return $this->result->then($onFulfilled, $onRejected); } public function otherwise(callable $onRejected) { return $this->result->otherwise($onRejected); } public function wait($unwrap = true) { return $this->result->wait($unwrap); } public function getState() { return $this->result->getState(); } public function resolve($value) { $this->result->resolve($value); } public function reject($reason) { $this->result->reject($reason); } public function cancel() { $this->currentPromise->cancel(); $this->result->cancel(); } private function nextCoroutine($yielded) { $this->currentPromise = Create::promiseFor($yielded) ->then([$this, '_handleSuccess'], [$this, '_handleFailure']); } /** * @internal */ public function _handleSuccess($value) { unset($this->currentPromise); try { $next = $this->generator->send($value); if ($this->generator->valid()) { $this->nextCoroutine($next); } else { $this->result->resolve($value); } } catch (Exception $exception) { $this->result->reject($exception); } catch (Throwable $throwable) { $this->result->reject($throwable); } } /** * @internal */ public function _handleFailure($reason) { unset($this->currentPromise); try { $nextYield = $this->generator->throw(Create::exceptionFor($reason)); // The throw was caught, so keep iterating on the coroutine $this->nextCoroutine($nextYield); } catch (Exception $exception) { $this->result->reject($exception); } catch (Throwable $throwable) { $this->result->reject($throwable); } } }