l
					     (lambda (yield)
					       (let loop ((count 0))
						 (when (&lt; count 5)
						   (yield (* 2 count))
						   (loop (1+ count)))))
					     (lambda (val)
					       (display val)
					       (newline)))
	    (event-loop-block! #f))))
(event-loop-run!)
</pre></div>
<p>This procedure is first available in version 0.12 of this library.
</p></dd></dl>
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