bool FactSet::appendable()

in glean/rts/factset.cpp [282:302]

• 18 lines of code
• 8 McCabe index (conditional complexity)

bool FactSet::appendable(const FactSet& other) const {
  if (empty() || other.empty()) {
    return true;
  }

  if (firstFreeId() != other.startingId()) {
    return false;
  }

  for (const auto& k : other.keys) {
    if (const auto *p = keys.lookup(k.first)) {
      for (auto i = k.second.begin(); i != k.second.end(); ++i) {
        if (p->contains((*i)->key())) {
          return false;
        }
      }
    }
  }

  return true;
}