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<?php declare(strict_types=1); namespace App; use Generator; use CachingIterator; $generator = /** * @return Generator<bool, bool> */ static function (): Generator { yield true => true; yield false => false; }; $iterator = new CachingIterator($generator(), CachingIterator::FULL_CACHE); foreach ($iterator as $k => $v) { var_dump($k, $v); } foreach ($iterator->getCache() as $k => $v) { var_dump($k, $v); }
Output for git.master_jit, git.master, rfc.property-hooks
bool(true) bool(true) bool(false) bool(false) int(1) bool(true) int(0) bool(false)

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