merge(3p/immer): Subtree merge at 'ad3e3556d' as 'third_party/immer'

Change-Id: I9636a41ad44b4218293833fd3e9456d9b07c731b

third_party/immer/nix/docs.nix

@@ -0,0 +1,27 @@
+{ nixpkgs ? <nixpkgs>}:
+
+with import nixpkgs {};
+
+rec {
+  breathe = with python27Packages; buildPythonPackage rec {
+    version = "git-arximboldi-${commit}";
+    pname = "breathe";
+    name = "${pname}-${version}";
+    commit = "5074aecb5ad37bb70f50216eaa01d03a375801ec";
+    src = fetchFromGitHub {
+      owner = "arximboldi";
+      repo = "breathe";
+      rev = commit;
+      sha256 = "10kkh3wb0ggyxx1a7x50aklhhw0cq269g3jddf2gb3pv9gpbj7sa";
+    };
+    propagatedBuildInputs = [ docutils sphinx ];
+    meta = with stdenv.lib; {
+      homepage = https://github.com/michaeljones/breathe;
+      license = licenses.bsd3;
+      description = "Sphinx Doxygen renderer";
+      inherit (sphinx.meta) platforms;
+    };
+  };
+
+  recommonmark = python27Packages.recommonmark;
+}