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

class AuthorCollection implements \Countable, \IteratorAggregate {
    /** @var Author[] */
    private $authors = [];

    public function add(Author $author): void {
        $this->authors[] = $author;
    }

    /**
     * @return Author[]
     */
    public function getAuthors(): array {
        return $this->authors;
    }

    public function count(): int {
        return \count($this->authors);
    }

    public function getIterator(): AuthorCollectionIterator {
        return new AuthorCollectionIterator($this);
    }
}
