/**
* {@inheritdoc}
*/
public function then(callable $onFulfilled = null, callable $onRejected = null) : Awaitable
{
if (null !== $this->result) {
return $this->unwrap()->then($onFulfilled, $onRejected);
}
if (null === $onFulfilled && null === $onRejected) {
return $this;
}
++$this->children;
$future = new self(function (Throwable $exception) {
if (0 === --$this->children) {
$this->cancel($exception);
}
});
if (null !== $onFulfilled) {
$onFulfilled = function ($value) use($future, $onFulfilled) {
try {
$future->resolve($onFulfilled($value));
} catch (Throwable $exception) {
$future->reject($exception);
}
};
} else {
$onFulfilled = function () use($future) {
$future->resolve($this->result);
};
}
if (null !== $onRejected) {
$onRejected = function (Throwable $exception) use($future, $onRejected) {
try {
$future->resolve($onRejected($exception));
} catch (Throwable $exception) {
$future->reject($exception);
}
};
} else {
$onRejected = function () use($future) {
$future->resolve($this->result);
};
}
$this->done($onFulfilled, $onRejected);
return $future;
}
public function range($stop = null)
{
$args = self::_wrapArgs(func_get_args(), 1);
$__ = new self();
$args = $__->reject($args, function ($val) {
return is_null($val);
});
$num_args = count($args);
switch ($num_args) {
case 1:
list($start, $stop, $step) = array(0, $args[0], 1);
break;
case 2:
list($start, $stop, $step) = array($args[0], $args[1], 1);
if ($stop < $start) {
return self::_wrap(array());
}
break;
default:
list($start, $stop, $step) = array($args[0], $args[1], $args[2]);
if ($step > 0 && $step > $stop) {
return self::_wrap(array($start));
}
}
$results = range($start, $stop, $step);
// Switch inclusive to exclusive
if ($step > 0 && $__->last($results) >= $stop) {
array_pop($results);
} elseif ($step < 0 && $__->last($results) <= $stop) {
array_pop($results);
}
return self::_wrap($results);
}
/**
* {@inheritdoc}
*/
public function timeout(float $timeout, callable $onTimeout = null) : Awaitable
{
if (null !== $this->result) {
return $this->unwrap()->timeout($timeout, $onTimeout);
}
++$this->children;
$future = new self(function (Throwable $exception) {
if (0 === --$this->children) {
$this->cancel($exception);
}
});
$timer = Loop\timer($timeout, function () use($future, $onTimeout) {
if (null === $onTimeout) {
$future->reject(new TimeoutException());
return;
}
try {
$future->resolve($onTimeout());
} catch (Throwable $exception) {
$future->reject($exception);
}
});
$onResolved = function () use($future, $timer) {
$future->resolve($this->result);
$timer->stop();
};
$this->done($onResolved, $onResolved);
return $future;
}