#;1> (use srfi-18)
#;2> (thread-start! (lambda () (write "hi")))
"hi"#<thread: thread21>
#;3> (thread-start! (lambda () (write "hi") (write "bye")))
#<thread: thread22>
#;4> (thread-start! (lambda () (write "hi") (print "bye")))
#<thread: thread23>
"hi"bye
#;5>