Not sure what the purpose of `key` is? ```for (user in users) { key(user.id) { UserPreview(user ...

# compose

[Ian Warwick]

Not sure what the purpose of key is?

for (user in users) {
    key(user.id) { UserPreview(user = user) }
}

The docs don't really explain why you would use it 🤔 or I am not reading them properly

[kojdecki]

In this thread there is some information: https://kotlinlang.slack.com/archives/CJLTWPH7S/p1580131443041400

[Ian Warwick]

cool thanks @kojdecki! 🙂