Method GetBool

src/options.cpp:10–12

struct DefaultGetter : public ArgGetter {
    virtual bool GetBool(const std::string& arg, bool def) {
        return ::GetBoolArg(arg, def);
    }
    virtual std::vector<std::string> GetMultiArgs(const std::string& arg) {
        if (!mapMultiArgs.count(arg))
            return std::vector<std::string>();