This function is a terrible idea btw ```val list = mutableLi kotlinlang #announcements

This function is a terrible idea btw: ```val list ...

karelpeeters

10/21/2017, 4:47 PM

This function is a terrible idea btw:

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val list = mutableListOf(1, 2, 3)
list.mapInPlace(Int::toString)
val minusOne = -list[0] //runtime error