[PATCH 02/13] gnu: Add ghc-data-default-instances-base.

[Siniša Biđin]

* gnu/packages/haskell.scm (ghc-data-default-instances-base): New variable.
---
 gnu/packages/haskell.scm | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index d0f74ad..9ca8976 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -288,6 +288,29 @@ installation of Haskell libraries and programs.")
     (description "Defines a class for types with a default values.")
     (license bsd-3)))
 
+(define-public ghc-data-default-instances-base
+  (package
+    (name "ghc-data-default-instances-base")
+    (version "0.0.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (string-append
+              "http://hackage.haskell.org/package/";
+              "data-default-instances-base/"
+              "data-default-instances-base-" version ".tar.gz"))
+        (sha256
+          (base32 "1832nq6by91f1iw73ycvkbgn8kpra83pvf2q61hy47xffh0zy4pb"))))
+    (build-system haskell-build-system)
+    (propagated-inputs
+      `(("ghc-data-default-class" ,ghc-data-default-class)))
+    (home-page
+      "http://hackage.haskell.org/package/data-default-instances-base";)
+    (synopsis "Default instances for types in base")
+    (description "Provides Default instances for types from the base
+package.")
+    (license bsd-3)))
+
 (define-public ghc-mtl
   (package
     (name "ghc-mtl")
-- 
2.4.3