Method Advance

internal/utf8.cc:171–190

  }

  void Advance(size_t n) {
    ABSL_ASSERT(n <= Remaining());
    if (n == 0) {
      return;
    }
    if (index_ < buffer_.size()) {
      size_t count = std::min(n, buffer_.size() - index_);
      index_ += count;
      n -= count;
      size_ -= count;
      if (index_ < buffer_.size()) {
        return;
      }
      // Temporary buffer is empty, clear it.
      buffer_.clear();
      index_ = 0;
    }
    input_.RemovePrefix(n);
    size_ -= n;
  }

  void Reset(const absl::Cord& input) {
    input_ = input;