How do I set the flow to start collecting only whe...

# coroutines

[Simon Lin]

How do I set the flow to start collecting only when the data meet certain conditions.

For example:

flowOf(1, 2, 3, 2, 1, 2, 3)
    .startCollectWhen { it == 3 }
    .collect { print(it) }

// Result: 3, 2, 1, 2, 3

[diesieben07]

flow.dropWhile { it != 3 }