ceylon/ceylon-js — comment on commit a9798bc7bac0f2f6819c3fced1c414b7d07016f8
File:  line 0
By chochos:

It's way cleaner to implement `visit(ExistsCondition)` than handling it as a special case inside `visit(IfStatement)`, that's all. Like you say, if it's used in a `while` or maybe even `switch`, it will all be handled by the same method.