A org.scalacheck.Test.TestCallback implementation that prints test results directly to the console.
CanBuildFrom instances implementing Serializable, so that the objects capturing those can be serializable too.
A org.scalacheck.Test.TestCallback implementation that prints test results directly to the console. This is the callback used by ScalaCheck's command line test runner, and when you run org.scalacheck.Prop!.check:Unit*