Is.php
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Is.php
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	<?php

	declare(strict_types=1);

	namespace GuzzleHttp\Promise;

	final class Is
	{
	/**
	* Returns true if a promise is pending.
	*/
	public static function pending(PromiseInterface $promise): bool
	{
	return $promise->getState() === PromiseInterface::PENDING;
	}

	/**
	* Returns true if a promise is fulfilled or rejected.
	*/
	public static function settled(PromiseInterface $promise): bool
	{
	return $promise->getState() !== PromiseInterface::PENDING;
	}

	/**
	* Returns true if a promise is fulfilled.
	*/
	public static function fulfilled(PromiseInterface $promise): bool
	{
	return $promise->getState() === PromiseInterface::FULFILLED;
	}

	/**
	* Returns true if a promise is rejected.
	*/
	public static function rejected(PromiseInterface $promise): bool
	{
	return $promise->getState() === PromiseInterface::REJECTED;
	}
	}