// Test if CounterBox side effects work
print("Testing counter side effects:")
local c = new CounterBox()
print("Initial counter (should be 0):")
local initial = c.get()
print(initial)

print("Incrementing...")
c.inc()
c.inc()
c.inc()

print("After 3 increments (should be 3):")
local final = c.get()
print(final)