primitive-unlifted

Primitive GHC types with unlifted types inside

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

Version on this page:	0.1.3.1@rev:1
LTS Haskell 24.23:	2.2.0.0
Stackage Nightly 2025-12-10:	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-0.1.3.1@sha256:4e6fbd57775180bbc200aa29b31e1aea9f0ab3f4b2a419e4d5bfb9a0176f7f78,1493

Module documentation for 0.1.3.1

Data
- Data.Primitive
  - Data.Primitive.Unlifted
    - Data.Primitive.Unlifted.Array
    - Data.Primitive.Unlifted.Class

Depends on 4 packages(full list with versions):

base, bytestring, primitive, text-short

Used by 7 packages in lts-20.24(full list with versions):

bytebuild, bytehash, byteslice, contiguous, country, 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.

0.1.3.0 – 2020-01-23

Add PrimUnlifted instances for ShortText and ShortByteString.
Add singletonUnliftedArray.

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.