Talk about Crystal & Go Interfaces

Just a compilation of places where Golang-style interfaces were discussed in the context of Crystal.

https://forum.crystal-lang.org/t/are-inferred-types-frozen-for-crystal-shards-and-the-standard-library/1434

https://forum.crystal-lang.org/t/proposal-interfaces-for-more-generic-code/2103

https://github.com/crystal-lang/crystal/issues/3489

https://forum.crystal-lang.org/t/crystal-has-interfaces-in-java-sense/5105

https://forum.crystal-lang.org/t/rfc-lazy-objects/8460

https://forum.crystal-lang.org/t/structural-typing-vs-interfaces/2086