public function __invoke($abstract, $concrete, ContainerInterface $container)
{
if ($concrete instanceof \Closure) {
return new CallableDefinition($abstract, $concrete, $container);
}
if (is_string($concrete) && $container->has($concrete)) {
$container->alias($concrete, $abstract);
return;
}
if (is_string($concrete) && class_exists($concrete)) {
return new ClassDefinition($abstract, $concrete, $container);
}
return $concrete;
}
