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Async cache fix in multi-thread-environment for GitHub downloads - #1880
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Hehe... first some solution and then more optimized. The last one looks quite nice and the unit test proofs it's working while the normal F# Async won't serialize "correctly". let internal memoizeAsync f =
let cache = System.Collections.Concurrent.ConcurrentDictionary<'a, System.Threading.Tasks.Task<'b>>()
fun x -> // task.Result serialization to sync after done.
cache.GetOrAdd(x, fun x -> f(x) |> Async.StartAsTask) |> Async.AwaitTask |
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thanks! |
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