I wonder if Matz may consider even just adopting Crystal in the future, consider...

jashmatthews · on June 3, 2018

Crystal is far less compatible with Ruby than that. Simple methods/classes are valid but everything after that is completely different.

TeddyDD · on June 3, 2018

This. Some concepts and syntax are similar but they are quite different. I'm not saying that in negative sense - static typing with type inference rocks.

chrisseaton · on June 3, 2018

> I wonder if Matz may consider even just adopting Crystal in the future, considering it is almost 99% compatible with Ruby

This isn't even remotely true. Crystal syntax looks like Ruby. Crystal's semantics (the bit that matters) are not like Ruby.