-
Notifications
You must be signed in to change notification settings - Fork 61
/
state.scala
34 lines (29 loc) · 1.07 KB
/
state.scala
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
/*
* 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
trait StateSyntax {
implicit def toSetOps[S](e: S): SetOps[S] = new SetOps(e)
implicit def toModifyOps[S](f: S => S): ModifyOps[S] = new ModifyOps(f)
}
final class SetOps[S](val s: S) extends AnyVal {
def set[F[_]](implicit stateful: Stateful[F, S]): F[Unit] = stateful.set(s)
}
final class ModifyOps[S](val f: S => S) extends AnyVal {
def modify[F[_]](implicit stateful: Stateful[F, S]): F[Unit] = stateful.modify(f)
}
object state extends StateSyntax