hasMacro

src/Coffee.php

@@ -18,10 +18,10 @@ class Coffee {
        get { 
             return $this->flavor . ' Spice';
        }
-        set(string $value) {
+       set(string $value) {
-            if (strlen($value) > 16) throw new InvalidArgumentException('Input is too long');
+           if (strlen($value) > 16) throw new InvalidArgumentException('Input is too long');
-                $this->flavor = $value;
+           $this->flavor = $value;
-        }
+       }
     }
 
     public function serve(SizeInterface $size): void {

src/LazyObject.php

@@ -21,8 +21,10 @@ ex\Example2::macro('multiply', function (int $a, int $b) {
 
 $objectB = $lazyB->proxy();
 $objectB->hi();
-echo $objectB->multiply(5, 3);
-echo PHP_EOL;
 
+if (ex\Example2::hasMacro('multiply')) {
+    echo $objectB->multiply(5, 3);
+}
+echo PHP_EOL;
 
 $runA(800);