Add 'third_party/nix/' from commit 'be66c7a6b24e3c3c6157fd37b86c7203d14acf10'

git-subtree-dir: third_party/nix
git-subtree-mainline: cf8cd640c1
git-subtree-split: be66c7a6b24e3c3c6157fd37b86c7203d14acf10

third_party/nix/src/libexpr/attr-path.hh

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "eval.hh"
+
+#include <string>
+#include <map>
+
+namespace nix {
+
+Value * findAlongAttrPath(EvalState & state, const string & attrPath,
+    Bindings & autoArgs, Value & vIn);
+
+}