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[EDIT] FILE: AuthorCollectionIterator.php

<?php declare(strict_types = 1);
/*
 * This file is part of PharIo\Manifest.
 *
 * Copyright (c) Arne Blankerts <arne@blankerts.de>, Sebastian Heuer <sebastian@phpeople.de>, Sebastian Bergmann <sebastian@phpunit.de> and contributors
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 */
namespace PharIo\Manifest;

use Iterator;
use function count;

/** @template-implements Iterator<int,Author> */
class AuthorCollectionIterator implements Iterator {
    /** @var Author[] */
    private $authors;

/** @var int */
    private $position = 0;

public function __construct(AuthorCollection $authors) {
        $this->authors = $authors->getAuthors();
    }

public function rewind(): void {
        $this->position = 0;
    }

public function valid(): bool {
        return $this->position < count($this->authors);
    }

public function key(): int {
        return $this->position;
    }

public function current(): Author {
        return $this->authors[$this->position];
    }

public function next(): void {
        $this->position++;
    }
}

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