I've read Joy of Kotlin, but still not clear on wh...

# functional

[Jakub Pi]

I've read Joy of Kotlin, but still not clear on when it's necessary to use @UnsafeVariance - can someone explain or link an article?

[Conor]

You might find this helpful https://dzone.com/articles/variance-immutability-and-strictness

[Conor]

But more likely it's better to try to avoid situations where you need to do that kind of thing (not always possible, admittedly)

[Jakub Pi]

@Conor Thanks!