If you're looking for an open-source implementation of a string-like sequence as a tree of chunks, consider absl::Cord. https://github.com/abseil/abseil-cpp/bl

If you're looking for an open-source implementation of a string-like sequence as a tree of chunks, consider absl::Cord. https://github.com/abseil/abseil-cpp/blob/master/absl/strings/cord.h https://github.com/abseil/abseil-cpp/blob/master/absl/string... Do read the caveats in the header comments before using it in lieu of std::string.