notes: """
  Since CoffeeScript has no `for` loops, they
  have to be converted to `while` loops. If
  `continue` happens inside the loop, it needs
  to re-run the update expression just before
  it.
"""
----
for (a; b; update++) {
  if (x) continue;
  d()
}
----
a
while b
  if x
    update++
    continue
  d()
  update++