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<?php declare(strict_types=1);
namespace Stratadox\PuzzleSolver\Puzzle\Sudoku;
use Stratadox\PuzzleSolver\Move;
use Stratadox\PuzzleSolver\Moves;
use function array_map;
use function sprintf;
final class Entry implements Move
{
/** @var int */
private $number;
private $row;
private $column;
public function __construct(int $number, int $row, int $column)
$this->number = $number;
$this->row = $row;
$this->column = $column;
}
public static function allPossibilitiesFor(int $row, int $column): Moves
return new Moves(...array_map(
static function (int $number) use ($row, $column): Entry {
return new self($number, $row, $column);
},
range(1, 9)
));
public function number(): int
return $this->number;
public function column(): int
return $this->column;
public function row(): int
return $this->row;
public function __toString(): string
return sprintf(
'%d at (%d, %d)',
$this->number,
$this->column,
$this->row
);
Stratadox /
PuzzleSolver
