type cond struct {
	mask   uint64
	bits   uint64
	result bool
}

// MarkerOnly reports whether it is okay to print only the marker for
// a given change, omitting the identifying information.
// MarkerOnly returns true when bisect is using the printed reports
// only for an intermediate search step, not for showing to users.
func (m *Matcher) MarkerOnly() bool {
	return !m.verbose
}