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package com.howtographql.scala.sangria

import sangria.execution.deferred.HasId

package object models {
  case class Link(id: Int, url: String, description: String)
  object Link {
    implicit val hasId: HasId[Link, Int] = HasId[Link, Int](_.id)
  }

}

trait Identifiable {
    val id: Int
  }
  object Identifiable {
    implicit def hasId[T <: Identifiable]: HasId[T, Int] = HasId(_.id)
  }