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"migrate" to cats effect 3 #305

Merged
merged 4 commits into from
Apr 23, 2021
Merged

"migrate" to cats effect 3 #305

merged 4 commits into from
Apr 23, 2021

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b3nk3i
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@b3nk3i b3nk3i commented Apr 14, 2021 •
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removed dependency to io.monix which is not yet available for CE3..

@kubukoz
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kubukoz commented Apr 21, 2021

@LukaJCB

@kubukoz
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kubukoz commented Apr 21, 2021

What was the monix dependency for? The build seems fine without it.

@kubukoz kubukoz mentioned this pull request Apr 21, 2021
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@TimWSpence
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If we could get this released I would be immensely grateful :) Let me know if I can help in any way

@b3nk3i
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b3nk3i commented Apr 22, 2021

What was the monix dependency for? The build seems fine without it.

it was used as example in the doc : policies.md

@kubukoz
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kubukoz commented Apr 22, 2021 •
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ah, I see it now.

If we want to show another effect being used, we can use a monad transformer or ZIO (zio-interop-cats has been released for CE3)

LukaJCB
LukaJCB approved these changes Apr 22, 2021
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LGTM

@kubukoz
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kubukoz commented Apr 22, 2021 •
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Wanna merge? :D

Edit: noticed the todos.

kubukoz
kubukoz suggested changes Apr 22, 2021
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build.sbt Outdated
@@ -134,7 +134,7 @@ val docs = project
"org.typelevel" %% "kind-projector" % "0.11.0" cross CrossVersion.full
),
libraryDependencies ++= Seq(
"io.monix" %%% "monix" % "3.1.0"
//"io.monix" %%% "monix" % "3.3.0" // TODO update to version compatible cats effect 3
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Let's just drop it I think.

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dropped

modules/core/shared/src/main/scala/retry/Sleep.scala
@@ -10,6 +11,6 @@ trait Sleep[M[_]] {
object Sleep {
def apply[M[_]](implicit sleep: Sleep[M]): Sleep[M] = sleep

implicit def sleepUsingTimer[F[_]](implicit timer: Timer[F]): Sleep[F] =
(delay: FiniteDuration) => timer.sleep(delay)
implicit def sleepUsingTemporal[F[_]](implicit t: Temporal[F]): Sleep[F] =
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I'm starting to think Sleep should just be replaced with Temporal altogether.

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From what I see, replacing Sleep by Temporal has a bigger impact:
given that Temporal[F[_]] = GenTemporal[F, Throwable]

You end up with MonadError[F, Throwable] following the hierarchy GenTemporal[F, E] ... GenConcurrent[F, E] ... GenSpawn[F, E] ... MonadCancel[F, E] ... MonadError[F, E]

Then Temporal[F] will clash with internals based on MonadError[F, E], though it seems that GenTemporal[F, E] solves it but the change propagates up to public function.. not sure if that's desired.. I think it's probably better to try it in a separate PR

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Fair enough, these are good points :)

build.sbt Outdated
val catsEffectVersion = "2.3.1"
val catsMtlVersion = "1.1.1"
val catsVersion = "2.5.0"
val catsEffectVersion = "3.0.2"
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You can use 3.1.0 now

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version updated

build.sbt Outdated
val catsMtlVersion = "1.1.1"
val catsVersion = "2.5.0"
val catsEffectVersion = "3.0.2"
val catsMtlVersion = "1.1.3"
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1.2.0 if you want to be on latest

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version updated

kubukoz
kubukoz approved these changes Apr 22, 2021
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LGTM

@LukaJCB
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LukaJCB commented Apr 23, 2021

Thanks a bunch!

@LukaJCB LukaJCB merged commit 65562e6 into cb372:master Apr 23, 2021
@b3nk3i b3nk3i deleted the cats-effect-3 branch April 23, 2021 12:06
@TimWSpence TimWSpence mentioned this pull request Apr 23, 2021
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@kubukoz
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kubukoz commented Apr 23, 2021

Can we have a milestone for this?

@b3nk3i
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b3nk3i commented Apr 26, 2021

Can we have a milestone for this?

The build is failing on a test based on Future.. could be a sporadic failure as it passed on the PR (also locally), can we retry the build ? If it fails again maybe increasing that test timeout will help

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cb372 commented May 7, 2021

I'm late to the party but LGTM 😄 Thanks for the PR.

Thanks to @LukaJCB this has just been released as v3.0.0.

@cb372 cb372 mentioned this pull request May 7, 2021
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@kubukoz kubukoz kubukoz approved these changes

@LukaJCB LukaJCB LukaJCB approved these changes

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5 participants
@b3nk3i @kubukoz @TimWSpence @LukaJCB @cb372