libexpr: findDerivationFilename return Pos instead of tuple

1 files changed, 2 insertions, 4 deletions

diff --git a/src/libexpr/attr-path.hh b/src/libexpr/attr-path.hh
index dca94cc78..716e5ba27 100644
--- a/src/libexpr/attr-path.hh
+++ b/src/libexpr/attr-path.hh
@@ -4,15 +4,13 @@
 
 #include <string>
 #include <map>
-#include <tuple>
 
 namespace nix {
 
 Value * findAlongAttrPath(EvalState & state, const string & attrPath,
     Bindings & autoArgs, Value & vIn);
 
-/* Heuristic to find the filename and lineno or a derivation. */
-std::tuple<std::string, int> findDerivationFilename(EvalState & state,
-    Value & v, std::string what);
+/* Heuristic to find the filename and lineno or a nix value. */
+Pos findDerivationFilename(EvalState & state, Value & v, std::string what);
 
 }