Method foreachGeneratorParam

examples/demo.php:1704–1709

* @param \Generator $pencils */

(\Generator $pencils)

     * @param \Generator<int, Pencil> $pencils
     */
    public function foreachGeneratorParam(\Generator $pencils): void
    {
        foreach ($pencils as $pencil) {
            $pencil->sketch();            // @param overrides native \Generator type
        }
    }
}