Function try_parse_uint

src/rustDemangle.cpp:450–468

}

static NODISCARD bool try_parse_uint(const char *buf, size_t len, uint64_t *result) {
    size_t cur = 0;
    for(;cur < len && buf[cur] == '0';cur++);
    uint64_t result_val = 0;
    if (len - cur > 16) return false;
    for(;cur < len;cur++) {
        char c = buf[cur];
        result_val <<= 4;
        if ('0' <= c && c <= '9') {
            result_val += c - '0';
        } else if ('a' <= c && c <= 'f') {
            result_val += 10 + (c - 'a');
        } else {
            return false;
        }
    }
    *result = result_val;
    return true;
}

static NODISCARD bool dinibble2int(const char *buf, uint8_t *result) {
    uint8_t result_val = 0;