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-rw-r--r-- | gnu/packages/haskell-xyz.scm | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gnu/packages/haskell-xyz.scm b/gnu/packages/haskell-xyz.scm index 3719a6f626..72ab8ed3b4 100644 --- a/gnu/packages/haskell-xyz.scm +++ b/gnu/packages/haskell-xyz.scm @@ -16618,6 +16618,26 @@ analogous to a function, and which distinguishes returning the argument it was provided from returning something else.") (license license:bsd-3))) +(define-public ghc-ref-tf + (package + (name "ghc-ref-tf") + (version "0.5.0.1") + (source (origin + (method url-fetch) + (uri (hackage-uri "ref-tf" version)) + (sha256 + (base32 + "0isilgcbw12zyh8s2liaj5r9r5m3yg1xskyhag6f36qi60y29hx5")))) + (build-system haskell-build-system) + (properties '((upstream-name . "ref-tf"))) + (home-page "http://hackage.haskell.org/package/ref-tf") + (synopsis "Type class for monads with references using type families") + (description + "This package contains a @code{MonadRef} type class that abstracts over +the details of manipulating references, allowing one to write code that can +operate in either the @code{ST} monad or the @code{IO} monad.") + (license license:bsd-3))) + ;;; ;;; Avoid adding new packages to the end of this file. To reduce the chances ;;; of a merge conflict, place them above by existing packages with similar |