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authorRicardo Wurmus <ricardo.wurmus@mdc-berlin.de>2018-08-15 12:09:57 +0200
committerRicardo Wurmus <rekado@elephly.net>2018-08-16 17:04:12 +0200
commitf8362eac6a6cd6dbd813209c72d1a915ff5f0fd0 (patch)
tree1fe3e7a3a94ace3fde6466fef39c496c4eb95d93
parent970481f1f7857f0cfafafec7e32729d543124477 (diff)
gnu: Add ghc-convertible.
* gnu/packages/haskell.scm (ghc-convertible): New variable.
-rw-r--r--gnu/packages/haskell.scm28
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")