Function string_to_int

library/include/MiscUtils.h:451–458

}

static inline int string_to_int(const std::string s, int default_ = 0) {
    try {
        return std::stoi(s);
    }
    catch (std::exception&) {
        return default_;
    }
}

// trim from start
static inline std::string &ltrim(std::string &s) {