* Refactoring: get the selection path stuff out of getDerivations()

  and put it into a separate function findAlongAttrPath().

1 files changed, 13 insertions, 0 deletions

diff --git a/src/libexpr/attr-path.hh b/src/libexpr/attr-path.hh
new file mode 100644
index 000000000000..f64ef7a7cdee
--- /dev/null
+++ b/src/libexpr/attr-path.hh
@@ -0,0 +1,13 @@
+#ifndef __ATTR_PATH_H
+#define __ATTR_PATH_H
+
+#include <string>
+#include <map>
+
+#include "eval.hh"
+
+
+Expr findAlongAttrPath(EvalState & state, const string & attrPath, Expr e);
+
+
+#endif /* !__ATTR_PATH_H */