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-rw-r--r--pkgs/development/libraries/haskell/recursion-schemes/default.nix14
-rw-r--r--pkgs/top-level/haskell-packages.nix2
2 files changed, 16 insertions, 0 deletions
diff --git a/pkgs/development/libraries/haskell/recursion-schemes/default.nix b/pkgs/development/libraries/haskell/recursion-schemes/default.nix
new file mode 100644
index 000000000000..78e7da44061a
--- /dev/null
+++ b/pkgs/development/libraries/haskell/recursion-schemes/default.nix
@@ -0,0 +1,14 @@
+{ cabal, comonad, free, transformers }:
+
+cabal.mkDerivation (self: {
+  pname = "recursion-schemes";
+  version = "4.0";
+  sha256 = "1xc1k04p3birxgv5h3ypw85w0cgq4d5rsmadx4pc3j409y6i5p06";
+  buildDepends = [ comonad free transformers ];
+  meta = {
+    homepage = "http://github.com/ekmett/recursion-schemes/";
+    description = "Generalized bananas, lenses and barbed wire";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 497e1dde6a6a..abb58bd7bcc1 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1781,6 +1781,8 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   recaptcha = callPackage ../development/libraries/haskell/recaptcha {};
 
+  recursionSchemes = callPackage ../development/libraries/haskell/recursion-schemes {};
+
   reducers = callPackage ../development/libraries/haskell/reducers {};
 
   reflection = callPackage ../development/libraries/haskell/reflection {};