// This tests computed properties. 

const arr = [0, 0, 0, 10]
const i = 3
const ten = arr[i]

assertEqual(ten, 10, 0.000001, "oops")

const p = "foo"
const obj = {
  foo: 1,
  bar: 0,
}
const one = obj[p]

assertEqual(one, 1, 0.0000001, "oops")