Function StringStartsWith

src/colmap/util/string.cc:257–260

}

bool StringStartsWith(const std::string& str, const std::string& prefix) {
  return !prefix.empty() && prefix.size() <= str.size() &&
         str.substr(0, prefix.size()) == prefix;
}

void StringLeftTrim(std::string* str) {
  str->erase(str->begin(),