TIL the Ruby interpreter exposes ObjectSpace to normal Ruby code, so you can do things like iterate over all classes
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I've released difftastic 0.62! In this release:
* Updated parsers for Bash, C, C++, C#, CSS, Go, Haskell, HTML, Java, JavaScript, JSON, Julia, Lua, Objective-C, OCaml, PHP, Python, Ruby, Scala, TOML, TypeScript and XML.
* Obligatory crash fixes.
What are the most popular languages that have used an AST walker for their implementation?
I know Ruby used to do this, but there must be others.
(I'm interested in the lowest PL speed that users will tolerate if you have awesome features.)
The Ruby on Rails guides use "please" when suggesting other resource to read or best practices to follow. For example: https://guides.rubyonrails.org/autoloading_and_reloading_constants.html
I've not seen this docs convention before. I certainly see the appeal for describing best practices: "your collaborators will appreciate it!"

