Julius Markūnas

In rails it's [discouraged using instance variables in views](http://rails-bestpractices.com/posts/2010/07/24/replace-instance-variable-with-local-variable/). I would like to see solution similar to [Decent Exposure](https://github.com/hashrocket/decent_exposure)

Crystal has very powerful [macros](https://crystal-lang.org/docs/syntax_and_semantics/macros.html) which allow most things that you can achieve with ruby (except that those things need to happen during compile time). While swift has no macros,...