scalaz.effect
A handle to a finalizer that allows you to duplicate it to a parent region using "dup". Duplicating a finalizer means that instead of being performed when the current region terminates, it is performed when the parent region terminates.
A handle to a finalizer that allows you to duplicate it to a parent region using "dup". Duplicating a finalizer means that instead of being performed when the current region terminates, it is performed when the parent region terminates.