Understanding Taming The Meta Language https://frantic.im/meta-language (on the power of expressing things in code rather than docs)
Related Posts
I've been writing docs for different programming language operators (+, *, == and so on). Each one gets a separate web page.
I've suddenly realised that / is much harder! docs/+ and docs/== is fine, but docs// just doesn't work as a URL in a static site.
Any ideas?
Today I learnt that Racket *intentionally* doesn't have a traditional REPL workflow. The authors were concerned about students not understanding the state between the current session and the code on disk.
(Arguably Jupyter has some of these features now.)
https://blog.racket-lang.org/2009/03/the-drscheme-repl-isnt-the-one-in-emacs.html
Over a sufficiently long time horizon, all code you write is legacy code.