eq: Leibnizian equality

[ bsd3, library, type-system ] [ Propose Tags ]

Leibnizian equality.


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Versions 0.1.0, 0.1.1, 0.1.2, 0.1.3, 0.2.0, 0.3.0, 0.3.1, 0.3.2, 0.3.3, 0.3.3.1, 0.3.4, 0.3.4.1, 0.3.4.2, 0.3.4.3, 0.3.5, 0.3.6, 0.3.7, 0.3.7.1, 3.0, 3.1, 3.1.1, 4.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.1, 4.2
Change log CHANGELOG.markdown
Dependencies base (==4.*), semigroupoids (>=4 && <6) [details]
License BSD-3-Clause
Copyright Copyright (C) 2011-2013 Edward A. Kmett
Author Edward A. Kmett
Maintainer Edward A. Kmett <ekmett@gmail.com>
Category Type System
Home page http://github.com/ekmett/eq/
Bug tracker http://github.com/ekmett/eq/issues
Source repo head: git clone git://github.com/ekmett/eq.git
Uploaded by ryanglscott at Tue Apr 24 16:39:33 UTC 2018
Distributions LTSHaskell:4.1, NixOS:4.1, Stackage:4.1, openSUSE:4.1
Downloads 9880 total (55 in the last 30 days)
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Modules

  • Data
    • Eq
      • Data.Eq.Type
        • Data.Eq.Type.Hetero

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Readme for eq-4.2

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eq

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This package provides a data type that witnesses equality between two types using Leibnizian equality.

It includes a refinement to the notion of Leibnizian equality by Oleg Kiselyov that permits it to refine equality using the injectively of type constructors via type families.

Contact Information

Contributions and bug reports are welcome!

Please feel free to contact me through github or on the #haskell IRC channel on irc.freenode.net.

-Edward Kmett