Add three more Haskell expressions

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

@@ -0,0 +1,24 @@
+{ cabal, blazeHtml, boolExtras, cmdargs, dataDefault, filepath
+, HaXml, haxr, highlightingKate, hscolour, lens, mtl, pandoc
+, pandocCiteproc, pandocTypes, parsec, split, strict, temporary
+, transformers, utf8String
+}:
+
+cabal.mkDerivation (self: {
+  pname = "BlogLiterately";
+  version = "0.7.1.6";
+  sha256 = "0mzq0br9jsymml57kcxqyr401lckzm43fy74l3wy25n6grv64hd4";
+  isLibrary = true;
+  isExecutable = true;
+  buildDepends = [
+    blazeHtml boolExtras cmdargs dataDefault filepath HaXml haxr
+    highlightingKate hscolour lens mtl pandoc pandocCiteproc
+    pandocTypes parsec split strict temporary transformers utf8String
+  ];
+  meta = {
+    homepage = "http://byorgey.wordpress.com/blogliterately/";
+    description = "A tool for posting Haskelly articles to blogs";
+    license = "GPL";
+    platforms = self.ghc.meta.platforms;
+  };
+})

pkgs/development/libraries/haskell/bool-extras/default.nix

@@ -0,0 +1,13 @@
+{ cabal }:
+
+cabal.mkDerivation (self: {
+  pname = "bool-extras";
+  version = "0.4.0";
+  sha256 = "008m43f04ncx2c24c241gzwjyyglw8rwpq2gsakqkw0nwz3czs61";
+  meta = {
+    homepage = "http://tom.lokhorst.eu/bool-extras";
+    description = "A fold function for Bool";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})

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

@@ -0,0 +1,14 @@
+{ cabal, singletons }:
+
+cabal.mkDerivation (self: {
+  pname = "units";
+  version = "2.0";
+  sha256 = "1iv0pirhyp7crbkb008k14z57jl8c91r1sl8kqmb778xawb1hx52";
+  buildDepends = [ singletons ];
+  meta = {
+    homepage = "http://www.cis.upenn.edu/~eir/packages/units";
+    description = "A domain-specific type system for dimensional analysis";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})