diff options
| -rw-r--r-- | gnu/packages/haskell-xyz.scm | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gnu/packages/haskell-xyz.scm b/gnu/packages/haskell-xyz.scm index 6a8c7ed9d8..0412ebd66c 100644 --- a/gnu/packages/haskell-xyz.scm +++ b/gnu/packages/haskell-xyz.scm @@ -8598,6 +8598,38 @@ old @code{time} library. For new projects, the newer @uref{https://hackage.haskell.org/package/time, time library} is recommended.") (license license:bsd-3))) +(define-public ghc-only + (package + (name "ghc-only") + (version "0.1") + (source + (origin + (method url-fetch) + (uri (string-append + "https://hackage.haskell.org/package/Only/Only-" + version + ".tar.gz")) + (sha256 + (base32 + "0rdj3a629fk2vp121jq8mf2smkblrz5w3cxhlsyx6my2x29s2ymb")))) + (build-system haskell-build-system) + (arguments + `(#:cabal-revision + ("1" + "1ahk7p34kmh041mz7lyc10nhcxgv2i4z8nvzxvqm2x34gslmsbzr"))) + (home-page "https://hackage.haskell.org/package/Only") + (synopsis "The 1-tuple type or single-value collection") + (description + "This package provides a canonical anonymous 1-tuple type missing from +Haskell for attaching typeclass instances. + +There is also the @url{https://hackage.haskell.org/package/OneTuple, OneTuple +package} which by using a boxed @code{data}-type provides a 1-tuple type which +has laziness properties which are more faithful to the ones of Haskell's +native tuples; whereas the primary purpose of @code{Only} is to provide the +traditionally so named type-wrapper for attaching typeclass instances.") + (license license:bsd-3))) + (define-public ghc-opengl (package (name "ghc-opengl") |