diff --git a/gnu/packages/haskell-xyz.scm b/gnu/packages/haskell-xyz.scm index 29d3077755..52b2faaa39 100644 --- a/gnu/packages/haskell-xyz.scm +++ b/gnu/packages/haskell-xyz.scm @@ -19,7 +19,7 @@ ;;; Copyright © 2018, 2019 Gabriel Hondet ;;; Copyright © 2019 Robert Vollmert ;;; Copyright © 2019 Jacob MacDonald -;;; Copyright © 2019 John Soo +;;; Copyright © 2019,2020 John Soo ;;; Copyright © 2019 Kyle Meyer ;;; Copyright © 2019 Alex Griffin ;;; Copyright © 2020 Brett Gilio @@ -2724,6 +2724,28 @@ (define-public ghc-data-default-instances-old-locale package.") (license license:bsd-3))) +(define-public ghc-data-fix + (package + (name "ghc-data-fix") + (version "0.2.0") + (source + (origin + (method url-fetch) + (uri (string-append + "mirror://hackage/package/data-fix/" + "data-fix-" version ".tar.gz")) + (sha256 + (base32 "14hk6hq5hdb3l5bhmzhw086jpzlvp9qbw9dzw30wlz5jbh2ihmvy")))) + (build-system haskell-build-system) + (home-page "https://github.com/spell-music/data-fix") + (synopsis "Fixpoint data types") + (description + "Fixpoint types and recursion schemes. If you define your AST as +fixpoint type, you get fold and unfold operations for free. + +Thanks for contribution to: Matej Kollar, Herbert Valerio Riedel") + (license license:bsd-3))) + (define-public ghc-data-hash (package (name "ghc-data-hash")