Icicle\Coroutine\Coroutine::__construct PHP Method

    public function __construct(Generator $generator)
    {
        parent::__construct();
        $this->generator = $generator;
        /**
         * @param mixed $value The value to send to the generator.
         */
        $this->send = function ($value = null) {
            if ($this->busy) {
                Loop\queue($this->send, $value);
                // Queue continuation to avoid blowing up call stack.
                return;
            }
            try {
                // Send the new value and execute to next yield statement.
                $this->next($this->generator->send($value));
            } catch (Throwable $exception) {
                $this->reject($exception);
            }
        };
        /**
         * @param \Throwable $exception Exception to be thrown into the generator.
         */
        $this->capture = function (Throwable $exception) {
            if ($this->busy) {
                Loop\queue($this->capture, $exception);
                // Queue continuation to avoid blowing up call stack.
                return;
            }
            try {
                // Throw exception at current execution point.
                $this->next($this->generator->throw($exception));
            } catch (Throwable $exception) {
                $this->reject($exception);
            }
        };
        try {
            $this->next($this->generator->current());
        } catch (Throwable $exception) {
            $this->reject($exception);
        }
    }