bingo-soft / graphp

src/Util/StringSupplier.php

<?php

namespace Graphp\Util;

/**
 * Class StringSupplier
 *
 * @package Graphp\Util
 */
class StringSupplier implements SupplierInterface
{
    /**
     * Supplier value
     *
     * @var int
     */
    private static $i = 0;

    /**
     * Construct supplier value
     *
     * @param int $start - starting value
     */
    public function __construct(int $start)
    {
        self::$i = $start;
    }

    /**
     * Get supplier value
     *
     * @return int
     */
    public function get(): string
    {
        return (string) self::$i++;

The expression return (string)PostIncNode returns the type string which is incompatible with the documented return type integer.

    }
}