192     : values_{str}, length_{static_cast<ConstantSubscript>(values_.size())} {}  in Constant()
196     : values_{std::move(str)}, length_{static_cast<ConstantSubscript>(  in Constant()
202     : ConstantBounds(std::move(sh)), length_{len} {  in Constant()
204   values_.assign(strings.size() * length_,
209     if (strLen > length_) {
210       values_.replace(at, length_, str.substr(0, length_));
214     at += length_;
229   if (length_ == 0) {  in size()
232     return static_cast<ConstantSubscript>(values_.size()) / length_;  in size()
240   return values_.substr(offset * length_, length_);  in At()
254   } else if (lo < 1 || hi > length_) {  in Substring()
274     elements.push_back(values_.substr(at, length_));  in Reshape()
275     at += length_;  in Reshape()
280   return {length_, std::move(elements), std::move(dims)};  in Reshape()
288   CHECK(length_ == source.length_);  in CopyFrom()
289   if (length_ == 0) {  in CopyFrom()
296     std::size_t elementBytes{length_ * sizeof(decltype(values_[0]))};  in CopyFrom()
299       auto *dest{&values_.at(SubscriptsToOffset(resultSubscripts) * length_)};  in CopyFrom()
301           source.SubscriptsToOffset(sourceSubscripts) * length_)};  in CopyFrom()