diff options
Diffstat (limited to 'gnu')
| -rw-r--r-- | gnu/packages/haskell.scm | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm index 0eaf1420f7..dada57ddb9 100644 --- a/gnu/packages/haskell.scm +++ b/gnu/packages/haskell.scm @@ -453,6 +453,34 @@ interactive environment for the functional language Haskell.") determine the hostname.") (license license:bsd-3))) +(define-public ghc-convertible + (package + (name "ghc-convertible") + (version "1.1.1.0") + (source + (origin + (method url-fetch) + (uri (string-append "https://hackage.haskell.org/package/convertible/" + "convertible-" version ".tar.gz")) + (sha256 + (base32 + "0v18ap1mccnndgxmbfgyjdicg8jlss01bd5fq8a576dr0h4sgyg9")))) + (build-system haskell-build-system) + (inputs + `(("ghc-old-time" ,ghc-old-time) + ("ghc-old-locale" ,ghc-old-locale) + ("ghc-mtl" ,ghc-mtl) + ("ghc-text" ,ghc-text))) + (home-page "https://hackage.haskell.org/package/convertible") + (synopsis "Typeclasses and instances for converting between types") + (description + "This package provides a typeclass with a single function that is +designed to help convert between different types: numeric values, dates and +times, and the like. The conversions perform bounds checking and return a +pure @code{Either} value. This means that you need not remember which specific +function performs the conversion you desire.") + (license license:bsd-3))) + (define-public ghc-libxml (package (name "ghc-libxml") |