Cache.php
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Cache.php
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	<?php
	declare(strict_types=1);

	namespace Keruald\Cache;

	use Keruald\OmniTools\Collections\MultipleOperation;
	use Psr\SimpleCache\CacheInterface;

	use DateInterval;

	abstract class Cache implements CacheInterface {

	///
	/// Loader
	///

	public abstract static function load (array $config) : Cache;

	///
	/// Default implementation for CacheInterface -Multiple methods
	///

	public function getMultiple (
	iterable $keys,
	mixed $default = null
	) : iterable {
	foreach ($keys as $key) {
	yield $key => $this->get($key, $default);
	}
	}

	public function setMultiple (
	iterable $values,
	DateInterval\|int\|null $ttl = null
	) : bool {
	return MultipleOperation::do(
	$values,
	fn($key, $value) => $this->set($key, $value, $ttl)
	);
	}

	public function deleteMultiple (iterable $keys) : bool {
	return MultipleOperation::do(
	$keys,
	fn($key) => $this->delete($key)
	);
	}

	}