singletons-presburger

Presburger Arithmetic Solver for GHC Type-level natural numbers with Singletons package.

https://github.com/konn/ghc-typelits-presburger#readme

LTS Haskell 23.21:	0.7.4.0
Stackage Nightly 2025-05-03:	0.7.4.0
Latest on Hackage:	0.7.4.0

See all snapshots singletons-presburger appears in

BSD-3-Clause licensed by Hiromi ISHII

Maintained by konn.jinro _at_ gmail.com

This version can be pinned in stack with:singletons-presburger-0.7.4.0@sha256:428bb301f381b2331a347dd7b78a3f2dbe5a3028119120be5af54470b1798d5a,2383

Module documentation for 0.7.4.0

Data
- Data.Singletons
  - Data.Singletons.TypeNats
    - Data.Singletons.TypeNats.Presburger

Depends on 10 packages(full list with versions):

base, equational-reasoning, ghc-typelits-presburger, mtl, reflection, singletons, singletons-base, singletons-presburger, singletons-th

Used by 1 package in nightly-2024-10-31(full list with versions):

singletons-presburger

The singletons-presburger plugin augments GHC type-system with Presburger Arithmetic Solver for Type-level natural numbers, with integration with singletons package.

You can use by adding this package to dependencies and add the following pragma to the head of .hs files:

OPTIONS_GHC -fplugin Data.Singletons.TypeNats.Presburger

Changes

Changelog

0.7.4.0

Supports GHC 9.10
Drops GHC <9.2

0.7.3.0

Supports GHC 9.8
Drops support for GHC <9

0.7.2.0

Supports GHC 9.6

0.7.1.0

Proper Support of GHC 9.4 (Now can solve Assert properly)

0.7.0.0

Support GHC 9.4
The plugin can solve constraints involving type-level Assert, Not, (&&), (||), and/or If from new base.

0.6.0.0

Stop discharging redundant constraints
Support GHC 9.0.1
Drop a support for GHC <8.6

0.4.0.0

Fixes constraint solving (fixes #9); this may change the previous (unsound) behaviour, and hence it is breaking change.

0.3.0.1

Supports GHC >= 8.10.

0.3.0.0

Initial release: separated singletons support from ghc-typelits-presburger