{
expect(arrowfy(5,0,0,1,5,1)(4,5)).to.equal(20)
expect(arrowfy(0,1,4,-15,5,1)("bob")).to.equal("hi, my name is bob and I'm an EMT. What seems to be the problem today?")
expect(arrowfy(1,1,4,-15,5,1)()).to.equal("Pirate")
expect(arrowfy(1,2,3,4,5)()).to.equal(null)
expect(arrowfy(4,4,5,1,1)).to.equal(65)
return success()
}