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amp/lib/Failure.php
2016-08-16 13:07:51 -05:00

38 lines
766 B
PHP

<?php
declare(strict_types=1);
namespace Amp;
use Interop\Async\{ Awaitable, Loop };
/**
* Creates a failed awaitable using the given exception.
*/
final class Failure implements Awaitable {
/**
* @var \Throwable $exception
*/
private $exception;
/**
* @param \Throwable $exception Rejection reason.
*/
public function __construct(\Throwable $exception) {
$this->exception = $exception;
}
/**
* {@inheritdoc}
*/
public function when(callable $onResolved) {
try {
$onResolved($this->exception, null);
} catch (\Throwable $exception) {
Loop::defer(static function () use ($exception) {
throw $exception;
});
}
}
}