When I was implementing a toy editor I read the neovim source code and to no one’s surprise the modes are just long switch statements - when in mode M and input

When I was implementing a toy editor I read the neovim source code and to no one’s surprise the modes are just long switch statements - when in mode M and input key is K, do some action. It’s a simple program and your mental model is probably close to the vim source code! For learning a lot of cool stuff about implementing my best book is The Craft Of Text Editing http://www.finseth.com/craft/ http://www.finseth.com/craft/