Method MaybeAdd

eval/eval/attribute_utility.cc:236–240

void Accumulator::Add(const AttributeTrail& attr) { parent_.Add(*this, attr); }

void Accumulator::MaybeAdd(const Value& v) {
  if (v.IsUnknown()) {
    Add(v.GetUnknown());
  }
}

void Accumulator::MaybeAdd(const Value& v, const AttributeTrail& attr) {
  if (v.IsUnknown()) {