26 lines
730 B
Racket
26 lines
730 B
Racket
(module reactive frtime/lang-utils
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(require "lang-ext.rkt"
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"frp-snip.rkt"
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frtime/frlibs/list
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frtime/frlibs/etc
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(as-is:unchecked frtime/core/frp
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event-set? snap? signal-value))
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(snap? #t)
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(define (value-nowable? x)
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(or (not (signal? x))
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(not (event-set? (signal-value x)))))
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(define ((behaviorof pred) x)
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(let ([v (value-now x)])
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(or (undefined? v)
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(pred v))))
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(provide value-nowable? behaviorof
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(all-from frtime/frlibs/list)
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(all-from frtime/frlibs/etc)
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(all-from frtime/lang-utils)
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(all-from-except "lang-ext.rkt" lift)
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(all-from "frp-snip.rkt")))
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