For internals a lot of text editors use ropes as the core data structure, which makes text buffers fast. https://en.wikipedia.org/wiki/Rope_(data_structure) ht

For internals a lot of text editors use ropes as the core data structure, which makes text buffers fast. https://en.wikipedia.org/wiki/Rope_(data_structure) https://en.wikipedia.org/wiki/Rope_(data_structure) https://github.com/cessen/ropey https://github.com/cessen/ropey