Applied (with edits) the patch provided by James Cook to add the

Haskell fingertree library. Thanks for the contribution.

svn path=/nixpkgs/trunk/; revision=23424

2 files changed, 17 insertions, 0 deletions

diff --git a/pkgs/development/libraries/haskell/fingertree/default.nix b/pkgs/development/libraries/haskell/fingertree/default.nix
new file mode 100644
index 00000000000..4babd837fa3
--- /dev/null
+++ b/pkgs/development/libraries/haskell/fingertree/default.nix
@@ -0,0 +1,13 @@
+{cabal}:
+
+cabal.mkDerivation (self : {
+  pname = "fingertree";
+  version = "0.0.1.0";
+  sha256 = "e80bf256506290c8f4fb44222920ae7d8405fd22e453c7a08dba49297d49328b";
+  meta = {
+    description = "Generic finger-tree structure, with example instances";
+    license = "BSD";
+    maintainers = [self.stdenv.lib.maintainers.andres];
+  };
+})
+
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 0c00beb352e..11547e6286d 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -198,6 +198,10 @@ rec {
     inherit cabal mtl;
   };
 
+  fingertree = import ../development/libraries/haskell/fingertree {
+    inherit cabal;
+  };
+
   gdiff = import ../development/libraries/haskell/gdiff {
     inherit cabal;
   };