Were `do…while` loops left out of CoffeeScript…?

Question

In CoffeeScript, the while loop comes standard:

while x()
   y()

However, the following¹ doesn\'t work:

Answer 1

The CoffeeScript documentation says:

The only low-level loop that CoffeeScript provides is the while loop.

I don't know of a built-in loop that executes at least once, so I guess the alternative is

loop
  y()
  break if x()