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-rw-r--r--third_party/nix/src/libexpr/attr-set.hh8
1 files changed, 6 insertions, 2 deletions
diff --git a/third_party/nix/src/libexpr/attr-set.hh b/third_party/nix/src/libexpr/attr-set.hh
index 683b3e4bd75b..b918bf30ffd2 100644
--- a/third_party/nix/src/libexpr/attr-set.hh
+++ b/third_party/nix/src/libexpr/attr-set.hh
@@ -55,8 +55,12 @@ class Bindings {
   iterator begin();
   iterator end();
 
-  // TODO: can callers just iterate?
-  [[deprecated]] std::vector<const Attr*> lexicographicOrder();
+  // Returns the elements of the attribute set as a vector, sorted
+  // lexicographically by keys.
+  //
+  // This is used primarily for builtins that have guaranteed
+  // ordering, such as `attrNames` or `attrValues`.
+  std::vector<const Attr*> SortedByKeys();
 
   // oh no
   friend class EvalState;