custom library with parameters : problem

hello,
i want to use custom libray with parameters on its constuctor. I've a fatal error.

My libray class (in folder library)

PHP Code:

// class file named Example.php
defined('BASEPATH') OR exit('No direct script access allowed');
class Example {   
    private $items; 
    
    public function __construct($args) {
        $this->items = $args;
    }
    
    public function get($key) {
        if(is_array($this->items) && array_key_exists($key, $this->items)) {
            return $this->items[$key];
        } else {
            return $this->items;
        }
    }
} 


My test view page

PHP Code:

//view file :  my_view.php
$params = array('red', 'green');
$this->load->library('Example', $params);

// Fatal error: Call to a member function get() on a non-object
echo $this->example->get(0) ;  
// but if i do this
$e = new Example($params);
echo $e->get(0) ; // it works 


Can you help me please.
Thank you.