// found value: Go
	// key not found: color
}

// This example uses AfterFunc to define a function which waits on a sync.Cond,
// stopping the wait when a context is canceled.
func ExampleAfterFunc_cond() {
	waitOnCond := func(ctx context.Context, cond *sync.Cond, conditionMet func() bool) error {
		stopf := context.AfterFunc(ctx, func() {
			// We need to acquire cond.L here to be sure that the Broadcast