arrow-fx / arrow.fx.typeclasses / Bracket / guarantee
guarantee
open fun <A> Kind<F, A>.guarantee(finalizer: Kind<F, Unit>): Kind<F, A>
Executes the given finalizer when the source is finished, either in success or in error, or if cancelled.
As best practice, it’s not a good idea to release resources via guaranteeCase in polymorphic code.
Prefer bracket for the acquisition and release of resources.
See Also