*/ class MapGenerator implements Generator { private $map; private $generator; public function __construct(callable $map, $generator) { $this->map = $map; $this->generator = $generator; } public function __invoke($_size, RandomRange $rand) { $input = $this->generator->__invoke($_size, $rand); return $input->map( $this->map, 'map' ); } public function shrink(GeneratedValue $value) { $input = $value->input(); $shrunkInput = $this->generator->shrink($input); return $shrunkInput->map( $this->map, 'map' ); } }