schrodinger.kernel.PseudoRandom.scala Maven / Gradle / Ivy
/*
* Copyright 2021 Arman Bilge
*
* 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 schrodinger.kernel
/** A pseudo-random `F` is a random that can be transformed deterministically to a `G` via a
* seed `S`.
*/
trait PseudoRandom[F[_]] extends Random[F]:
type G[_]
type S
extension [A](fa: F[A]) def simulate(seed: S): G[A]
object PseudoRandom:
type Aux[F[_], G0[_], S0] = PseudoRandom[F] {
type G[A] = G0[A]
type S = S0
}
inline def apply[F[_]](using F: PseudoRandom[F]): F.type = F