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singletons: Basic singleton types and definitions

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singletons contains the basic types and definitions needed to support dependently typed programming techniques in Haskell. This library was originally presented in Dependently Typed Programming with Singletons, published at the Haskell Symposium, 2012. (https://richarde.dev/papers/2012/singletons/paper.pdf)

singletons is intended to be a small, foundational library on which other projects can build. As such, singletons has a minimal dependency footprint and supports GHCs dating back to GHC 8.0. For more information, consult the singletons README.

You may also be interested in the following related libraries:

  • The singletons-th library defines Template Haskell functionality that allows promotion of term-level functions to type-level equivalents and singling functions to dependently typed equivalents.

  • The singletons-base library uses singletons-th to define promoted and singled functions from the base library, including the Prelude.

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Versions [RSS] 0.8, 0.8.1, 0.8.2, 0.8.3, 0.8.4, 0.8.5, 0.8.6, 0.9.0, 0.9.1, 0.9.2, 0.9.3, 0.10.0, 1.0, 1.1, 1.1.1, 1.1.2, 1.1.2.1, 2.0, 2.0.0.1, 2.0.0.2, 2.0.1, 2.1, 2.2, 2.3, 2.3.1, 2.4, 2.4.1, 2.5, 2.5.1, 2.6, 2.7, 3.0, 3.0.1, 3.0.2, 3.0.3
Change log CHANGES.md
Dependencies base (>=4.9 && <4.21) [details]
Tested with ghc ==8.0.2, ghc ==8.2.2, ghc ==8.4.4, ghc ==8.6.5, ghc ==8.8.4, ghc ==8.10.7, ghc ==9.0.2, ghc ==9.2.7, ghc ==9.4.8, ghc ==9.6.5, ghc ==9.8.2, ghc ==9.10.1
License BSD-3-Clause
Author Richard Eisenberg <rae@cs.brynmawr.edu>, Jan Stolarek <jan.stolarek@p.lodz.pl>
Maintainer Ryan Scott <ryan.gl.scott@gmail.com>
Category Dependent Types
Home page http://www.github.com/goldfirere/singletons
Bug tracker https://github.com/goldfirere/singletons/issues
Source repo this: git clone https://github.com/goldfirere/singletons.git(tag v3.0.2)(singletons)
head: git clone https://github.com/goldfirere/singletons.git -b master(singletons)
Uploaded by ryanglscott at 2024-05-12T23:03:58Z
Distributions Arch:3.0.3, Debian:2.6, LTSHaskell:3.0.3, NixOS:3.0.3, Stackage:3.0.3
Reverse Dependencies 122 direct, 211 indirect [details]
Downloads 51172 total (298 in the last 30 days)
Rating 2.75 (votes: 10) [estimated by Bayesian average]
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Status Docs available [build log]
Last success reported on 2024-05-12 [all 1 reports]

Readme for singletons-3.0.3

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singletons

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singletons contains the basic types and definitions needed to support dependently typed programming techniques in Haskell. This library was originally presented in Dependently Typed Programming with Singletons, published at the Haskell Symposium, 2012.

singletons is intended to be a small, foundational library on which other projects can build. As such, singletons has a minimal dependency footprint and supports GHCs dating back to GHC 8.0. For more information, consult the singletons README.

You may also be interested in the following related libraries:

  • The singletons-th library defines Template Haskell functionality that allows promotion of term-level functions to type-level equivalents and singling functions to dependently typed equivalents.
  • The singletons-base library uses singletons-th to define promoted and singled functions from the base library, including the Prelude.