ack
is a function.");'
- text: ''
testString: 'assert(ack(0, 0) === 1, "ack(0, 0)
should return 1.");'
- text: ''
testString: 'assert(ack(1, 1) === 3, "ack(1, 1)
should return 3.");'
- text: ''
testString: 'assert(ack(2, 5) === 13, "ack(2, 5)
should return 13.");'
- text: ''
testString: 'assert(ack(3, 3) === 61, "ack(3, 3)
should return 61.");'
```