package gs.predicate.v0.json

import cats.effect.std.MapRef
import io.circe.Json

/** Provides keys and JSON values, given some in-memory map.
  *
  * @param map
  *   The underlying map.
  */
final class MemoryMapJsonProvider[F[_]](
  private val map: MapRef[F, String, Option[Json]]
) extends JsonProvider[F]:

  /** @inheritDocs
    */
  override def get(key: String): F[Option[Json]] =
    map.apply(key).get

end MemoryMapJsonProvider