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scala> case class K(s: java.lang.String)
defined class K
scala> class C { implicit val k: K = K("OK?"); override def toString = "C(" + k.toString + ")" }
defined class C
scala> val c = new C
c: C = C(K(OK?))
scala> import c.k
import c.k
scala> scala.Predef.implicitly[K]
res0: K = K(OK?)
scala> val k = 42
k: Int = 42
scala> k // was K(OK?)
res1: Int = 42
scala> :quit
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