mirror of https://github.com/janet-lang/janet
38 lines
638 B
Plaintext
38 lines
638 B
Plaintext
###
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### examples/select2.janet
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###
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### Mix reads and writes in select.
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###
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(def c1 (ev/chan 40))
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(def c2 (ev/chan 40))
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(def c3 (ev/chan 40))
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(def c4 (ev/chan 40))
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(def c5 (ev/chan 4))
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(defn worker
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[c n x]
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(forever
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(ev/sleep n)
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(ev/give c x)))
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(defn writer-worker
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[c]
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(forever
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(ev/sleep 0.2)
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(print "writing " (ev/take c))))
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(ev/call worker c1 1 :item1)
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(ev/sleep 0.2)
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(ev/call worker c2 1 :item2)
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(ev/sleep 0.1)
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(ev/call worker c3 1 :item3)
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(ev/sleep 0.2)
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(ev/call worker c4 1 :item4)
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(ev/sleep 0.1)
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(ev/call worker c4 1 :item5)
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(ev/call writer-worker c5)
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(forever (pp (ev/rselect c1 c2 c3 c4 [c5 :thing])))
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