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• orcus-cats-effect_3
• 0.28.9
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• catsEffect.scala

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orcus.async.instances.catsEffect.scala Maven / Gradle / Ivy

package orcus.async.instances

import cats.effect.Async
import orcus.async.AsyncHandler

object catsEffect {

  implicit def handleAsync[F[_]](implicit F: Async[F]): AsyncHandler[F] =
    new AsyncHandler[F] {
      def handle[A](callback: AsyncHandler.Callback[A], cancel: => Unit): F[A] =
        F.async[A](cb =>
          F.delay {
            callback(cb)
            Some(F.delay(cancel))
          }
        )
    }
}