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kotlinlang

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Hey folks, in your opinion what is more "Kotlin Idiomatic" way for guard clauses? :thinking_face:

smart casting will only work if `keyPair` is a data class defined in the same module

(and `keyPair` is a local `val` without custom getter, etc. the usual rules for smart casting)

<@UJQB4DJF7> this is not a problem for my case but good catch, I completely forgot that. :thinking_face:

I would use :two: if I wanted to assign it to variable, e.g:
```val pub = keyPair.public ?: return null
val priv = keyPair.private ?: return null```
otherwise :one: .

the elvis operator are standard kotlin style, get used to them.