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handle.scala
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handle.scala
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/*
* Copyright 2021 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
package mtl
package syntax
import cats.data.EitherT
trait HandleSyntax {
implicit def toHandleOps[F[_], A](fa: F[A]): HandleOps[F, A] = new HandleOps(fa)
}
final class HandleOps[F[_], A](val fa: F[A]) extends AnyVal {
def attemptHandle[E](implicit handle: Handle[F, E]): F[Either[E, A]] =
handle.attempt(fa)
def attemptHandleT[E](implicit handle: Handle[F, E]): EitherT[F, E, A] =
handle.attemptT(fa)
def handle[E](f: E => A)(implicit handle: Handle[F, E]): F[A] =
handle.handle(fa)(f)
def handleWith[E](f: E => F[A])(implicit handle: Handle[F, E]): F[A] =
handle.handleWith(fa)(f)
}
object handle extends HandleSyntax