var foo = 0
while foo < 10
	  print foo = foo + 1 # => 1
	                      # => 2
	                      # => 3
	                      # => 4
	                      # => 5
	                      # => 6
	                      # => 7
	                      # => 8
	                      # => 9
	                      # => 10
end