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kotlinlang

Having a _*formatter class*_ that is _*expensive to instantiate*_ but the function `fun format(number: Int): String` it uses then is _*side-effect free*_.
Where would you use it with Compose? _*In*_ the _*ViewModel*_ and expose the State as String _*or in Compose*_?
I intuitively would expose the number as state - and see the formatting as part of transforming the state to UI - so put it into the Compose part.
_*How would you*_ then _*get*_ this class _*in Compose*_ - if for performance reasons I’d usually inject it as `@Singleton` or `@Reusable` _*via dagger*_?

I think you can use any common Singleton pattern for this?

If it's so slow you want to show a loading indicator in the UI, you can use coroutines to instantiate the singleton, and `produceState` to load it into Compose