Wrapping Read-Write Lock

ReadWriteLock.scala

import cats.effect._

trait Lock[F[_]]{
  def lock: F[Unit]
  def unlock: F[Unit]
}

object Lock {
  def fromLock[F[_]: Sync](jlock: java.util.concurrent.locks.Lock): Lock[F] = new Lock[F]{
    def lock: F[Unit] = Sync[F].blocking(jlock.lockInterruptibly())
    def unlock: F[Unit] = Sync[F].blocking(jlock.unlock())
  }
}

trait ReadWriteLock[F[_]]{
  def readLock: Lock[F]
  def writeLock: Lock[F]
}

object ReadWriteLock {
  def impl[F[_]: Sync](jlock: java.util.concurrent.locks.ReadWriteLock): ReadWriteLock[F] = 
    new ReadWriteLock[F] {
      def readLock: Lock[F] = Lock.fromLock(jlock.readLock())
      def writeLock: Lock[F] = Lock.fromLock(jlock.writeLock())
    }
}