// Quick smoke test for new builtins
print("--- len ---")
print(len("hello"))
print(len([1, 2, 3]))
print(len({a: 1, b: 2, c: 3}))

print("--- typeof ---")
print(typeof(42))
print(typeof("hi"))
print(typeof(true))
print(typeof(nil))
print(typeof([1, 2]))
print(typeof({a: 1}))
print(typeof(print))

print("--- push/pop ---")
let arr = [1, 2]
print("push:", push(arr, 3))
print("arr:", arr)
print("pop:", pop(arr))
print("arr:", arr)