register($env); (new MadLisp\Lib\Compare())->register($env); /* $env->set('eval', function (...$args) use ($eval, $env) { $results = $eval->eval($args, $env); return $results[count($results) - 1]; }); $env->set('print', function (...$args) use ($printer) { $printer->print($args); return null; }); */ return [$lisp, $env]; }