dev.tauri.choam.stm.TRef.scala Maven / Gradle / Ivy
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/*
* SPDX-License-Identifier: Apache-2.0
* Copyright 2016-2024 Daniel Urban and contributors listed in NOTICE.txt
*
* 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 dev.tauri.choam
package stm
sealed trait TRef[F[_], A] {
def get: Txn[F, A]
def set(a: A): Txn[F, Unit]
}
object TRef {
private[choam] trait UnsealedTRef[F[_], A] extends TRef[F, A]
def apply[F[_], A](a: A): Txn[F, TRef[F, A]] = {
core.Rxn.unsafe.delayContext { ctx =>
val id = ctx.refIdGen.nextId()
new TRefImpl[F, A](a, id)
}.castF[F]
}
}