w3layouts

     *     * @throws \Illuminate\Contracts\Container\BindingResolutionException     */    public function build($concrete)    {        // If the concrete type is actually a Closure, we will just execute it and        // hand back the results of the functions, which allows functions to be        // used as resolvers for more fine-tuned resolution of these objects.        if ($concrete instanceof Closure) {            return $concrete($this, $this->getLastParameterOverride());        }         try {            $reflector = new ReflectionClass($concrete);        } catch (ReflectionException $e) {            throw new BindingResolutionException("Target class [$concrete] does not exist.", 0, $e);        }         // If the type is not instantiable, the developer is attempting to resolve        // an abstract type such as an Interface or Abstract Class and there is        // no binding registered for the abstractions so we need to bail out.        if (! $reflector->isInstantiable()) {            return $this->notInstantiable($concrete);        }         $this->buildStack[] = $concrete;         $constructor = $reflector->getConstructor();         // If there are no constructors, that means there are no dependencies then        // we can just resolve the instances of the objects right away, without