bootzooka4.scala

import com.softwaremill.tagging.@@
import io.circe.generic.AutoDerivation
import io.circe.java8.time.{JavaTimeDecoders, JavaTimeEncoders}
import io.circe.{Decoder, Encoder, Printer}

object Json extends AutoDerivation with JavaTimeDecoders with JavaTimeEncoders {
  val noNullsPrinter: Printer = Printer.noSpaces.copy(dropNullValues = true)

  implicit def taggedStringEncoder[U]: Encoder[String @@ U] = 
    Encoder.encodeString.asInstanceOf[Encoder[String @@ U]]
  implicit def taggedStringDecoder[U]: Decoder[String @@ U] = 
    Decoder.decodeString.asInstanceOf[Decoder[String @@ U]]
}