An experimental type-level Ruby interpreter for testing and understanding Ruby code.

1. Install Ruby 3.3 or later.
2. Git clone this repository: git clone https://github.com/ruby/typeprof.git
3. Install VSCode extension: code --install-extension mame.ruby-typeprof
4. Open the repository in VSCode: code typeprof

$ bundle install
$ bundle exec rake test

https://speakerdeck.com/mame/good-first-issues-of-typeprof

See LICENSE file.