CS SYD - Cursors, Part 1: Introduction with the List Cursor

This is the first post in a series about cursors. It explores the motivation behind cursors and uses the list cursor as an example. Disclaimer: cursor is a library based off the concepts outlined in this blog post. It originated in the work on smos, a Purely Functional Semantic Editor. Motivation: The cursor problemSuppose you are writing a terminal user interface (TUI), with brick for example. So