This is a complete new language for me. Through updating ghc to 8.0.1 I learned this is part of ghc itself, is this correct?
Installing library in /tmp/guix-build-ghc-8.0.1.drv-0/ghc-8.0.1/ghc-bin/usr/lib/ghc-8.0.1/transformers-0.5.2.0 "utils/ghc-cabal/dist-install/build/tmp/ghc-cabal-bindist" copy libraries/xhtml dist-install "strip" '' '/tmp/guix-build-ghc-8.0.1.drv-0/ghc-8.0.1/ghc-bin/usr' '/tmp/guix-build-ghc-8.0.1.drv-0/ghc-8.0.1/ghc-bin/usr/lib/ghc-8.0.1' '/tmp/guix-build-ghc-8.0.1.drv-0/ghc-8.0.1/ghc-bin/usr/share/doc/ghc-8.0.1/html/libraries' 'v p dyn' ng0 <n...@we.make.ritual.n0.is> writes: > * gnu/packages/haskell.scm (ghc-transformers): New variable. > --- > gnu/packages/haskell.scm | 29 +++++++++++++++++++++++++++++ > 1 file changed, 29 insertions(+) > > diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm > index 8236ddb..7e65b52 100644 > --- a/gnu/packages/haskell.scm > +++ b/gnu/packages/haskell.scm > @@ -6766,4 +6766,33 @@ permissions are not preserved. It also provides > features for random access > to archive content using an index.") > (license license:bsd-3))) > > +(define-public ghc-transformers > + (package > + (name "ghc-transformers") > + (version "0.5.2.0") > + (source > + (origin > + (method url-fetch) > + (uri (string-append > + "https://hackage.haskell.org/package/transformers/transformers-" > + version ".tar.gz")) > + (sha256 > + (base32 > + "1qkhi8ssf8c4jnmrw9dzym3igqbzq7h48iisaykdfzdsm09qfh3c")))) > + (build-system haskell-build-system) > + (home-page "http://hackage.haskell.org/package/transformers") > + (synopsis "Concrete functor and monad transformers") > + (description > + "A portable library of functor and monad transformers, inspired by the > paper > +'Functional Programming with Overloading and Higher-Order Polymorphism', > +by Mark P Jones. This package contains the monad transformer class and IO > monad class, > +concrete functor and monad transformers, each with associated operations and > functions > +to lift operations associated with other transformers. The package can be > used on > +its own in portable Haskell code, in which case operations need to be > manually lifted > +through transformer stacks. Alternatively, it can be used with the > +non-portable monad classes in the @code{mtl} or @code{monads-tf} packages, > +which automatically lift operations introduced by monad transformers through > +other transformers.") > + (license license:bsd-3))) > + > ;;; haskell.scm ends here > -- > 2.9.3 > -- ng0 For non-prism friendly talk find me on http://www.psyced.org