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name	type	size	perms	modified	actions
[parent directory]
exceptions/	dir	-	0755	2023-02-03 06:58:43
ClassMethodUnit.php	file	523 B	0644	2023-02-03 06:58:43	edit
ClassUnit.php	file	505 B	0644	2023-02-03 06:58:43	edit
CodeUnit.php	file	12,339 B	0644	2023-02-03 06:58:43	edit
CodeUnitCollection.php	file	1,565 B	0644	2023-02-03 06:58:43	edit
CodeUnitCollectionIterator.php	file	1,109 B	0644	2023-02-03 06:58:43	edit
FileUnit.php	file	502 B	0644	2023-02-03 06:58:43	edit
FunctionUnit.php	file	514 B	0644	2023-02-03 06:58:43	edit
InterfaceMethodUnit.php	file	531 B	0644	2023-02-03 06:58:43	edit
InterfaceUnit.php	file	517 B	0644	2023-02-03 06:58:43	edit
Mapper.php	file	7,383 B	0644	2023-02-03 06:58:43	edit
TraitMethodUnit.php	file	523 B	0644	2023-02-03 06:58:43	edit
TraitUnit.php	file	505 B	0644	2023-02-03 06:58:43	edit

editing: CodeUnitCollection.php

<?php declare(strict_types=1);
/*
 * This file is part of sebastian/code-unit.
 *
 * (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\CodeUnit;

use function array_merge;
use function count;
use Countable;
use IteratorAggregate;

/**
 * @template-implements IteratorAggregate<int, CodeUnit>
 *
 * @psalm-immutable
 */
final class CodeUnitCollection implements Countable, IteratorAggregate
{
    /**
     * @psalm-var list<CodeUnit>
     */
    private readonly array $codeUnits;

public static function fromList(CodeUnit ...$codeUnits): self
    {
        return new self($codeUnits);
    }

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

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

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

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

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

public function mergeWith(self $other): self
    {
        return new self(
            array_merge(
                $this->asArray(),
                $other->asArray()
            )
        );
    }
}

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