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ParallelNSyntax.scala
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ParallelNSyntax.scala
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/*
* Copyright (c) 2017-2019 The Typelevel Cats-effect Project Developers
*
* 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.syntax
import cats.effect.Concurrent
import cats.effect.implicits._
import cats.{Monad, Parallel, Traverse}
trait ParallelNSyntax {
implicit final def catsSyntaxParallelTraverseNConcurrent[T[_]: Traverse, A](
ta: T[A]
): ParallelTraversableNConcurrentOps[T, A] =
new ParallelTraversableNConcurrentOps[T, A](ta)
implicit final def catsSyntaxParallelSequenceNConcurrent[T[_]: Traverse, M[_]: Monad, A](
tma: T[M[A]]
): ParallelSequenceNConcurrentOps[T, M, A] = new ParallelSequenceNConcurrentOps[T, M, A](tma)
}
final class ParallelSequenceNConcurrentOps[T[_], M[_], A](private val tma: T[M[A]]) extends AnyVal {
def parSequenceN(n: Long)(implicit M: Concurrent[M], T: Traverse[T], P: Parallel[M]): M[T[A]] =
M.parSequenceN(n)(tma)
}
final class ParallelTraversableNConcurrentOps[T[_], A](private val ta: T[A]) extends AnyVal {
def parTraverseN[M[_], B](n: Long)(f: A => M[B])(implicit M: Concurrent[M], T: Traverse[T], P: Parallel[M]): M[T[B]] =
M.parTraverseN(n)(ta)(f)
}