39 lines
516 B
PHP
39 lines
516 B
PHP
<?php
|
|
|
|
namespace Program;
|
|
|
|
use ArrayIterator;
|
|
use IteratorAggregate;
|
|
use Traversable;
|
|
|
|
class Program implements IteratorAggregate
|
|
{
|
|
public int $N;
|
|
/** @var Block[] */
|
|
private array $blocks;
|
|
|
|
|
|
public function __construct(int $N)
|
|
{
|
|
$this->N = $N;
|
|
$this->blocks = [];
|
|
}
|
|
|
|
|
|
public function addBlock(Block $block): self
|
|
{
|
|
$this->blocks[] = $block;
|
|
|
|
return $this;
|
|
}
|
|
|
|
|
|
/**
|
|
* @return ArrayIterator|Traversable|Block[]
|
|
*/
|
|
public function getIterator()
|
|
{
|
|
return new ArrayIterator($this->blocks);
|
|
}
|
|
}
|