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-rw-r--r--2d/time.scm25
1 files changed, 12 insertions, 13 deletions
diff --git a/2d/time.scm b/2d/time.scm
index f39bc0e..e17be49 100644
--- a/2d/time.scm
+++ b/2d/time.scm
@@ -29,27 +29,26 @@
time-each
time-delay))
-(define (time-every ticks value)
- "Create a new signal that emits VALUE every TICKS agenda updates. VALUE may
-be a signal, in which case the stored value of the signal will be
-emitted."
+(define (time-every agenda delay value)
+ "Create a new signal that emits VALUE every DELAY ticks of AGENDA.
+VALUE may be a signal, in which case the stored value of the signal
+will be emitted."
(let ((ticker (make-root-signal (signal-ref-maybe value))))
- (schedule-interval
- (lambda ()
- (signal-set! ticker (signal-ref-maybe value)))
- ticks)
+ (define (tick)
+ (signal-set! ticker (signal-ref-maybe value)))
+ (schedule-interval agenda tick delay)
ticker))
-(define (time-each value)
+(define (time-each agenda value)
"Create a new signal that emits VALUE every agenda update."
- (time-every 1 value))
+ (time-every agenda 1 value))
-(define (time-delay ticks signal)
+(define (time-delay agenda delay signal)
"Create a new signal that delays propagation of values received from
-SIGNAL by TICKS agenda updates."
+SIGNAL by DELAY ticks of AGENDA."
(make-signal (signal-ref signal)
(colambda (self from)
(let ((value (signal-ref from)))
- (wait ticks)
+ (wait agenda delay)
(signal-set! self value)))
(list signal)))