ComplexityCollection.php
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ComplexityCollection.php
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	<?php declare(strict_types=1);
	/*
	* This file is part of sebastian/complexity.
	*
	* (c) Sebastian Bergmann <sebastian@phpunit.de>
	*
	* For the full copyright and license information, please view the LICENSE
	* file that was distributed with this source code.
	*/
	namespace SebastianBergmann\Complexity;

	use function count;
	use Countable;
	use IteratorAggregate;

	/**
	* @psalm-immutable
	*/
	final class ComplexityCollection implements Countable, IteratorAggregate
	{
	/**
	* @psalm-var list<Complexity>
	*/
	private $items = [];

	public static function fromList(Complexity ...$items): self
	{
	return new self($items);
	}

	/**
	* @psalm-param list<Complexity> $items
	*/
	private function __construct(array $items)
	{
	$this->items = $items;
	}

	/**
	* @psalm-return list<Complexity>
	*/
	public function asArray(): array
	{
	return $this->items;
	}

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

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

	public function isEmpty(): bool
	{
	return empty($this->items);
	}

	public function cyclomaticComplexity(): int
	{
	$cyclomaticComplexity = 0;

	foreach ($this as $item) {
	$cyclomaticComplexity += $item->cyclomaticComplexity();
	}

	return $cyclomaticComplexity;
	}
	}