I don't understand the use of "*" in this context

# announcements

[Rak]

I don't understand the use of "*" in this context

[streetsofboston]

It is the so-called ‘spread’ operator

[streetsofboston]

https://kotlinlang.org/docs/reference/functions.html
and search for ‘spread’.

[Rak]

Thanks

[karelpeeters]

Note that * makes an extra array copy, which might have performance implications.