func noteRule(s string) bool {
	fmt.Println(s)
	return true
}

// countRule increments Func.ruleMatches[key].
// If Func.ruleMatches is non-nil at the end
// of compilation, it will be printed to stdout.
// This is intended to make it easier to find which functions
// which contain lots of rules matches when developing new rules.
func countRule(v *Value, key string) bool {
	f := v.Block.Func
	if f.ruleMatches == nil {