35 lines
910 B
Text
35 lines
910 B
Text
#eval id (α := IO _) do
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let t1 ← IO.asTask $ Nat.forM 10 fun _ => IO.println "hi";
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let t2 ← IO.asTask $ Nat.forM 10 fun _ => IO.println "ho";
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IO.ofExcept t1.get
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#eval id (α := IO _) do
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let t1 ← IO.mapTask IO.println (Task.spawn fun _ => "ha");
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pure ()
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#eval id (α := IO _) do
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let t1 ← IO.bindTask (Task.spawn fun _ => "hu") fun s =>
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IO.asTask (IO.println s);
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pure ()
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#eval id (α := IO _) do
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let t1 ← IO.asTask do {
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let c ← IO.checkCanceled;
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IO.println (if c then "canceled!" else "done!")
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};
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pure ()
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#eval id (α := IO _) do
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let t1 ← IO.asTask do {
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let c ← IO.checkCanceled;
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IO.println (if c then "canceled! 2" else "done! 2")
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};
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IO.cancel t1;
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discard $ IO.wait t1;
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pure ()
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#eval IO.waitAny [
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Task.spawn fun _ => dbgSleep 2 fun _ => "A",
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Task.spawn fun _ => dbgSleep 3 fun _ => "B",
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Task.spawn fun _ => dbgSleep 1 fun _ => "C"
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]
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