MIT licensed by Michael Snoyman, Francesco Mazzoli
Maintained by
This version can be pinned in stack with:unliftio-core-,913

Module documentation for

Depends on 2 packages(full list with versions):
Used by 2 packages in lts-9.21(full list with versions):


Provides the core MonadUnliftIO typeclass, instances for base and transformers, and basic utility functions. Typically, you’ll want to use the unliftio library, which provides more functionality (and a much better description).


  • Initial release