Duplicate a handle in the parent region.
A handle to a finalizer that allows you to duplicate it to a parent region using "dup".
A mutable reference in the IO monad.
IO Actions for writing to standard output and and reading from standard input
A monad transformer in which scarce resources can be opened.
Purely functional mutable state threads.
Mutable array in state thread S containing values of type A.
Mutable variable in state thread S containing a value of type A.
A safe alternative to the App
trait in the Scala standard library.
(Since version 7.1) Instances are in the respective companion objects now and should be picked up without imports
(Since version 7.1) Instances are in the respective companion objects now and should be picked up without imports