```scala
  /**
   * {{{
   * prop> import org.scalacheck.{Gen, Arbitrary}
   * prop> import org.scalacheck.Arbitrary._
   * prop> import foo.BarType
   * prop> val itemTypeGen = Gen.oneOf(BarType.values)
   * prop> implicit val barTypeArbitrary = Arbitrary(barTypeGen)
   * prop> (i: Int, t: BarType) => i > 10
   * }}}
   */
```

```scala
[error] foo.scala:30: could not find implicit value for parameter
a2: org.scalacheck.Arbitrary[foo.BarType]
[error]       check {
[error]             ^
```

----

```scala
  /**
   * {{{
   * prop> import org.scalacheck.{Gen, Arbitrary}
   *     | import org.scalacheck.Arbitrary._
   *     | import foo.BarType
   *     | val itemTypeGen = Gen.oneOf(BarType.values)
   *     | implicit val barTypeArbitrary = Arbitrary(barTypeGen)
   *     | (i: Int, t: BarType) => i > 10
   * }}}
   */
```

```scala
[info] Run completed in 3 seconds, 561 milliseconds.
[info] Total number of tests run: 0
[info] Suites: completed 1, aborted 0
[info] Tests: succeeded 0, failed 0, canceled 0, ignored 0, pending 0
[info] No tests were executed.
[info] Passed: Total 0, Failed 0, Errors 0, Passed 0
[success] Total time: 12 s, completed 2014/12/20 0:10:36
```