Yes it can be really good. You can have compilation on the fly, integrated REPL, completion, some debugging facilities, edition of s-expression at the structura

Yes it can be really good. You can have compilation on the fly, integrated REPL, completion, some debugging facilities, edition of s-expression at the structural level etc. See this video for an overtuned (!) Emacs https://github.com/overtone/live-coding-emacs https://github.com/overtone/live-coding-emacs The configuration can be found here: https://github.com/overtone/live-coding-emacs https://github.com/overtone/live-coding-emacs