func (h Hosts) Has(ip string, host string) bool {
	pos := h.getHostPosition(ip, host)

	return pos != -1
}
func (h Hosts) Has(ip string, host string) bool {
	pos := h.getHostPosition(ip, host)

	return pos != -1
}
func ( h Hosts ) Has ( ip string , host string ) bool { pos := h . getHostPosition ( ip , host ) return pos != - 1 }
// Return a bool if ip/host combo in hosts file.
Return a bool if ip / host combo in hosts file .