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Re:Types will be part of Ruby 3 stdlib source by rarrrrr on Friday April 19, 2019 @02:14AM (#19697446)
Nice! Reminds me of crystal[0], the LLVM-compiled ruby-alike language.

0: https://crystal-lang.org

Re:Types will be part of Ruby 3 stdlib source by leshow on Friday April 19, 2019 @02:40AM (#19697540)
Except crystal's type system seems much more capable & powerful.