Function FindLongestCommonPrefix

tensorflow/lite/toco/export_tensorflow.cc:1434–1449

TODO(aselle): Remove when available in absl

namespace {
// TODO(aselle): Remove when available in absl
absl::string_view FindLongestCommonPrefix(absl::string_view a,
                                          absl::string_view b) {
  if (a.empty() || b.empty()) return absl::string_view();

  const char* pa = a.data();
  const char* pb = b.data();
  string::difference_type count = 0;
  const string::difference_type limit = std::min(a.size(), b.size());
  while (count < limit && *pa == *pb) {
    ++pa;
    ++pb;
    ++count;
  }

  return absl::string_view(a.data(), count);
}
}  // namespace

void ConvertLstmCellOperator(const Model& model, const LstmCellOperator& src_op,