- QVariant value(QString key);
- void addSwitch(QString longName, char shortName = 0, QVariant def = false);
- void addOption(QString longName, char shortName = 0, QVariant def = QVariant());
- void addHelp(QString key, QString txt);
+ QString value(const QString &longName);
+ bool isSet(const QString &longName);
+ void addSwitch(const QString longName, const char shortName = 0, const QString help = QString());
+ void addOption(const QString longName, const char shortName = 0, const QString help = QString(), const QString def = QString());