9 lines
314 B
Scheme
9 lines
314 B
Scheme
; poll
|
|
(with-sc3
|
|
(lambda (fd)
|
|
(letrec ((print (lambda (e) (display e) (newline)))
|
|
(showing (lambda (f) (lambda () (let ((v (f))) (print v) v))))
|
|
(repeat (lambda (f) (if (f) (repeat f) #f))))
|
|
(async fd (notify 1))
|
|
(repeat (showing (lambda () (wait fd "/tr"))))
|
|
(async fd (notify 0)))))
|