75 lines
1.5 KiB
PHP
75 lines
1.5 KiB
PHP
<?php declare(strict_types=1);
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/*
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* This file is part of sebastian/code-unit.
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*
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* (c) Sebastian Bergmann <sebastian@phpunit.de>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace SebastianBergmann\CodeUnit;
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use function array_merge;
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use function count;
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use Countable;
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use IteratorAggregate;
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/**
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* @template-implements IteratorAggregate<int, CodeUnit>
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*
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* @psalm-immutable
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*/
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final class CodeUnitCollection implements Countable, IteratorAggregate
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{
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/**
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* @psalm-var list<CodeUnit>
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*/
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private readonly array $codeUnits;
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public static function fromList(CodeUnit ...$codeUnits): self
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{
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return new self($codeUnits);
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}
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/**
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* @psalm-param list<CodeUnit> $codeUnits
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*/
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private function __construct(array $codeUnits)
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{
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$this->codeUnits = $codeUnits;
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}
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/**
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* @psalm-return list<CodeUnit>
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*/
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public function asArray(): array
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{
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return $this->codeUnits;
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}
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public function getIterator(): CodeUnitCollectionIterator
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{
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return new CodeUnitCollectionIterator($this);
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}
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public function count(): int
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{
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return count($this->codeUnits);
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}
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public function isEmpty(): bool
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{
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return empty($this->codeUnits);
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}
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public function mergeWith(self $other): self
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{
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return new self(
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array_merge(
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$this->asArray(),
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$other->asArray()
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)
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);
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}
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}
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