Function strip_v_prefix

src/include/update.hpp:28–31

static std::string strip_v_prefix(std::string s) {
    if (!s.empty() && (s[0] == 'v' || s[0] == 'V')) s.erase(s.begin());
    return s;
}

static std::vector<int> split_semver(const std::string& v) {
    std::vector<int> out; out.reserve(3);