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GenSpawnSyntax.scala
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GenSpawnSyntax.scala
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/*
* Copyright 2020-2022 Typelevel
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cats.effect.kernel.syntax
import cats.effect.kernel.{Fiber, GenSpawn, Outcome, Resource}
trait GenSpawnSyntax {
implicit def genSpawnOps_[F[_], A](
wrapped: F[A]
): GenSpawnOps_[F, A] =
new GenSpawnOps_(wrapped)
implicit def genSpawnOps[F[_], A, E](
wrapped: F[A]
)(implicit F: GenSpawn[F, E]): GenSpawnOps[F, A, E] = {
val _ = F
new GenSpawnOps(wrapped)
}
}
final class GenSpawnOps_[F[_], A] private[syntax] (private val wrapped: F[A]) extends AnyVal {
def race[B](another: F[B])(implicit F: GenSpawn[F, _]) =
F.race(wrapped, another)
def both[B](another: F[B])(implicit F: GenSpawn[F, _]): F[(A, B)] =
F.both(wrapped, another)
}
final class GenSpawnOps[F[_], A, E] private[syntax] (private val wrapped: F[A]) extends AnyVal {
def start(implicit F: GenSpawn[F, E]): F[Fiber[F, E, A]] =
F.start(wrapped)
def background(implicit F: GenSpawn[F, E]): Resource[F, F[Outcome[F, E, A]]] =
F.background(wrapped)
def raceOutcome[B](another: F[B])(
implicit F: GenSpawn[F, E]
): F[Either[Outcome[F, E, A], Outcome[F, E, B]]] =
F.raceOutcome(wrapped, another)
def bothOutcome[B](another: F[B])(
implicit F: GenSpawn[F, E]
): F[(Outcome[F, E, A], Outcome[F, E, B])] =
F.bothOutcome(wrapped, another)
}