Group.php
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Group.php
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	<?php

	declare(strict_types=1);

	namespace VarRepresentation\Node;

	use RuntimeException;
	use VarRepresentation\Node;

	/**
	* A group of 1 or more strings/nodes
	*/
	class Group extends Node
	{
	/** @var list<string\|Node> the parts, e.g. '-' '1' */
	protected $parts;

	/**
	* @param list<string\|node> $parts
	*/
	public function __construct(array $parts)
	{
	if (\count($parts) === 0) {
	throw new RuntimeException(__METHOD__ . ' passed no parts');
	}
	$this->parts = $parts;
	}

	/**
	* Create a node or a group from a list of Node\|string parts
	* @param list<string\|Node> $parts
	*/
	public static function fromParts(array $parts): Node
	{
	if (\count($parts) === 1 && $parts[0] instanceof Node) {
	return $parts[0];
	}
	return new self($parts);
	}

	public function toIndentedString(int $depth): string
	{
	$result = '';
	foreach ($this->parts as $part) {
	$result .= \is_string($part) ? $part : $part->toIndentedString($depth);
	}
	return $result;
	}
	public function __toString(): string
	{
	return \implode('', $this->parts);
	}
	}