Method isDigit

include/thundersvm/util/log.h:1124–1126

@brief Checks if character is digit. Dont use libc implementation of it to prevent locale issues.

            public:
                /// @brief Checks if character is digit. Dont use libc implementation of it to prevent locale issues.
                static inline bool isDigit(char c) {
                    return c >= '0' && c <= '9';
                }

                /// @brief Matches wildcards, '*' and '?' only supported.
                static bool wildCardMatch(const char* str, const char* pattern);