haskell-mueval: add version 0.9

pkgs/development/libraries/haskell/mueval/default.nix

@@ -0,0 +1,21 @@
+{ cabal, Cabal, extensibleExceptions, filepath, hint, mtl, show
+, simpleReflect, utf8String
+}:
+
+cabal.mkDerivation (self: {
+  pname = "mueval";
+  version = "0.9";
+  sha256 = "1y6n3zvdlzxl5hi1raz7ac6fgy9321ilka3g2pk7p1ss9d10k8pb";
+  isLibrary = true;
+  isExecutable = true;
+  buildDepends = [
+    Cabal extensibleExceptions filepath hint mtl show simpleReflect
+    utf8String
+  ];
+  meta = {
+    homepage = "http://code.haskell.org/mubot/";
+    description = "Safely evaluate pure Haskell expressions";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})

pkgs/top-level/haskell-packages.nix

@@ -1397,6 +1397,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   mtlparse = callPackage ../development/libraries/haskell/mtlparse {};
 
+  mueval = callPackage ../development/libraries/haskell/mueval {};
+
   multiarg = callPackage ../development/libraries/haskell/multiarg {};
 
   multiplate = callPackage ../development/libraries/haskell/multiplate {};