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typelits-witnesses: Existential witnesses, singletons, and classes for operations on GHC TypeLits

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This library contains:

  • A small specialized subset of the *singletons* library as it pertains to Nat and Symbol, for when you need some simple functionality without wanting to invoke the entire *singletons* library.

  • Operations for manipulating these singletons and KnownNat and KnownSymbol instances, such as addition and multiplication of singletons/KnownNat instances.

  • Operations for the comparison of Nats in a way that works well with

  • GHC.TypeLits*'s different comparison systems. This is helpful for bridging together libraries that use different systems; this functionality is not yet provided by *singletons*.

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Versions [RSS] 0.1.0.0, 0.1.0.1, 0.1.1.0, 0.1.2.0, 0.1.3.0, 0.2.0.0, 0.2.1.0, 0.2.2.0, 0.2.3.0, 0.3.0.0, 0.3.0.1, 0.3.0.2, 0.3.0.3, 0.4.0.0, 0.4.0.1, 0.4.1.0 (info)
Change log CHANGELOG.md
Dependencies base (>=4.10 && <4.16), dependent-sum [details]
Tested with ghc >=8.2 && <8.8
License MIT
Copyright (c) Justin Le 2018
Author Justin Le
Maintainer justin@jle.im
Uploaded by jle at 2019-06-21T00:34:04Z
Revised Revision 1 made by Bodigrim at 2022-06-05T22:06:04Z
Category Data
Home page https://github.com/mstksg/typelits-witnesses
Source repo head: git clone git://github.com/mstksg/typelits-witnesses.git
Distributions LTSHaskell:0.4.1.0, Stackage:0.4.1.0
Reverse Dependencies 7 direct, 38 indirect [details]
Downloads 10788 total (22 in the last 30 days)
Rating 2.25 (votes: 2) [estimated by Bayesian average]
Your Rating
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Status Docs available [build log]
Last success reported on 2019-06-21 [all 1 reports]

Readme for typelits-witnesses-0.4.0.0

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typelits-witnesses

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This library contains:

  • A small specialized subset of the singletons library as it pertains to Nat and Symbol, for when you need some simple functionality without wanting to invoke the entire singletons library.
  • Operations for manipulating these singletons and KnownNat and KnownSymbol instances, such as addition and multiplication of singletons/KnownNat instances.
  • Operations for the comparison of Nats in a way that works well with GHC.TypeLits's different comparison systems. This is helpful for bridging together libraries that use different systems; this functionality is not yet provided by singletons.