Jetpack Compose: "remember" inside if statement?

Question

What does Jetpack Compose do if you put a remember statement inside some conditional branch?

For example, take the following code:

@Composable
fun MyScreen(repository: Repository?) {
    if (repository != null) {
        val myState by remember(repository) { repository.myFlow }.collectAsState()
        /* ... */
    }
}

Suppose the first composition has some valid repository parameter, but then we have a recomposition with repository = null. The remember statement will not be called then; will the remembered value be cleared? (Otherwise this would be a memleak, would it not?)

Answer 1

I think it will be lost. I believe so because what you are passing into remember as a parameter, is basically a key, and if the key changes, remember will be called again. However, since in your case, when the key changes, i.e., when the repository is null, the very block of remember will not be executed, so it will be just like the first time the composable was created. Nothing is remembered, and no data is stored because of no execution

Here's your confirmation:

Some reference,