Method size

cpp/src/arrow/util/key_value_metadata.cc:161–164

}

int64_t KeyValueMetadata::size() const {
  DCHECK_EQ(keys_.size(), values_.size());
  return static_cast<int64_t>(keys_.size());
}

const std::string& KeyValueMetadata::key(int64_t i) const {
  DCHECK_GE(i, 0);