<https://twitter.com/kotlin/status/125334549843564...

# announcements

[user]

https://twitter.com/kotlin/status/1253345498435649543
If you have a nullable reference to a function (or are accessing elements of a map of functions / function references), you can combine the safe call operator “?.” and the invoke method to call your functions. #KotlinTips https://t.co/tkf7wrhQKZ
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