func ErrCannotParseIPAddress(ip string) error {
	return fmt.Errorf("cannot parse IP Address: %s", ip)
}
ErrCannotParseIPAddress used when unable to parse given ip address
package libhosty
import (
	"errors"
	"fmt"
)
var ErrNotAnAddressLine = errors.New("this line is not of type ADDRESS")
var ErrUncommentableLine = errors.New("this line cannot be commented")
var ErrAlredyCommentedLine = errors.New("this line is alredy commented")
var ErrAlredyUncommentedLine = errors.New("this line is alredy uncommented")
var ErrAddressNotFound = errors.New("cannot find a line with given address")
var ErrHostnameNotFound = errors.New("cannot find a line with given hostname")
var ErrUnknown = errors.New("unknown error")