primitive-unlifted

Primitive GHC types with unlifted types inside

https://github.com/haskell-primitive/primitive-unlifted

Version on this page:0.1.2.0
LTS Haskell 24.17:2.2.0.0
Stackage Nightly 2025-11-01:2.2.0.0
Latest on Hackage:2.2.0.0

See all snapshots primitive-unlifted appears in

BSD-3-Clause licensed by Andrew Martin
Maintained by [email protected]
This version can be pinned in stack with:primitive-unlifted-0.1.2.0@sha256:9c3df73af54ed19fb3f4874da19334863cc414b22e578e27b5f52beeac4a60dd,1360

Module documentation for 0.1.2.0

Depends on 2 packages(full list with versions):
base, primitive
Used by 3 packages in nightly-2020-01-08(full list with versions):
contiguous, primitive-extras, run-st

Primitive GHC types with unlifted types inside. There used to be a module named Data.Primitive.UnliftedArray in the primitive library. However, the techniques it used were unsound in the presence of certain FFI calls. This library a successor to that module.

Changes

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to the Haskell Package Versioning Policy.

0.1.2.0 – 2019-07-08

  • Add PrimUnlifted instances for MVar, IORef, and STRef.

0.1.1.0 – 2019-05-23

  • Cannot remember what happened in this release.

0.1.0.0 – 2019-05-17

  • First version. Released on an unsuspecting world.