wcfsetup/install/files/lib/system/api/guzzlehttp/promises/src/TaskQueueInterface.php

   1 <?php
   2 namespace GuzzleHttp\Promise;
   3
   4 interface TaskQueueInterface
   5 {
   6     /**
   7      * Returns true if the queue is empty.
   8      *
   9      * @return bool
  10      */
  11     public function isEmpty();
  12
  13     /**
  14      * Adds a task to the queue that will be executed the next time run is
  15      * called.
  16      *
  17      * @param callable $task
  18      */
  19     public function add(callable $task);
  20
  21     /**
  22      * Execute all of the pending task in the queue.
  23      */
  24     public function run();
  25 }