Any Julia programmers who have tried Crystal? I've never quite seen the point with Crystal when you got something like Julia. Although I guess there is a value in familiarity.
I was a big fan of Ruby back in the day, but I just feel that our understanding of what makes good language design has evolved since then. The heavy OOP focus in Ruby seems very 90s in retrospect.
I don't think it makes sense to restrict dispatch on single objects. Real world problems often don't fit that paradigm.