287b173844
This PR fixes the `forIn` function, that previously caused the resulting Promise to be dropped without a value when an exception was thrown inside of it. It also corrects the parameter order of the `background` function.
47 lines
696 B
Text
47 lines
696 B
Text
import Std.Internal.Async
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import Std.Internal.UV
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import Std.Net.Addr
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open Std.Internal.IO.Async.UDP
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open Std.Internal.IO.Async
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open Std.Net
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def t : IO (Async Nat) := do
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IO.println "a"
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return do
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IO.println "b"
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return 2
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-- Usage example of the ForIn instance
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def loop : Async Nat := do
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let mut res := 0
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while res < 10 do
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res := res + 1
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discard t
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pure res
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/--
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info: 10
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-/
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#guard_msgs in
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#eval IO.println =<< ETask.block =<< loop.asTask
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def loopExcept : Async Nat := do
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let mut res := 0
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while res < 10 do
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throw (.userError "some error")
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discard t
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pure res
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/--
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error: some error
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-/
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#guard_msgs in
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#eval IO.println =<< ETask.block =<< loopExcept.asTask
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