// 🧪 ArrayBoxの簡単なテスト print("=== ArrayBox Simple Test ===") local arr arr = new ArrayBox() // 基本的な操作 arr.push("Hello") arr.push("World") print("Length: " + arr.length()) print("Get 0: " + arr.get(0)) print("Get 1: " + arr.get(1)) // pop local item item = arr.pop() print("Popped: " + item) print("Length after pop: " + arr.length()) print("Test completed!")