Created
May 4, 2022 00:18
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cancellation
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val a1 = for { | |
_ <- IO.println("a1") | |
_ <- IO.sleep(5.seconds) | |
} yield 1 | |
val a2 = for { | |
_ <- IO.println("a2") | |
_ <- IO.sleep(5.seconds) | |
} yield 2 | |
val a3 = for { | |
_ <- IO.println("a3") | |
_ <- IO.sleep(5.seconds) | |
} yield 3 | |
val run = for { | |
a <- IO | |
.uncancelable(poll => | |
poll(a1).onCancel(IO.println("ca1")) >> poll(a2).onCancel(IO.println("ca2")) >> poll(a3).onCancel( | |
IO.println("ca3"))) | |
.start | |
_ <- IO.sleep(8.seconds) | |
_ <- a.cancel | |
} yield () |
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@ run.unsafeRunSync
a1
a2
ca2