jashkenas--coffeescript/test/fixtures/execution/test_while.coffee

i: 100
while i -= 1

puts i is 0


i: 5
list: while i -= 1
  i * 2

puts list.join(' ') is "8 6 4 2"


i: 5
list: (i * 3 while i -= 1)

puts list.join(' ') is "12 9 6 3"