Hi, I really like `buildList` and I was wondering...

# announcements

[Pascal How]

Hi, I really like buildList and I was wondering if there is a way to use it without having to write
@ExperimentalStdlibApi everywhere.

[Milan Hruban]

yes https://kotlinlang.org/docs/reference/opt-in-requirements.html#module-wide-opt-in

[Lachlan McKee]

Just a follow-up question to this. Is it possible to only opt in to buildList rather than all @ExperimentalStdlibApi functions?

I would like to be able to have more granular control of APIs that are an accepted risk, rather than allowing them all. Unless I've read it incorrectly, it seems that you would need a unique annotation per method experiential function at the moment.

[lee.crawford]

Just implement your own…

inline fun <E> buildList (action: MutableList<E>.() -> Unit): List<E> {
    val list= mutableListOf<E> ()
    list.action ()
    return list
}

[Lachlan McKee]

I know it's reasonably easy to do so. But if you did that for every kotlin API, your code would become quite unmanageable

[Alexey Belkov [JB]]

No, it's not possible. Please consider creating an issue at http://kotl.in/issue and describing your use case. Thanks!

[Lachlan McKee]

Thanks @Alexey Belkov [JB]. Will look into it