Know Ruby? Enter Crystal! - Crystal For Rubyists

I'm Serdar Dogruyol, and I've been a Crystalist for years now. I'm the author of Kemal, curator of Crystal Weekly and a Crystal Core Member. I love new programming languages, and while I've been using Ruby for the past years, I've coded in Java, PHP, Crystal, Elixir and a host of others. I also love writing, and good documentation, which is hard to find. Crystal doesn't have a lot of that yet, so

[upamune]

Kemalの作者が書いたLL書いている人向けの入門