Deprecate lib.crossLists

3 years ago · 577d58a8e0
parent 001ba3934e
commit 577d58a8e0
1 changed files with 3 additions and 1 deletions
--- a/lib/lists.nix
+++ b/lib/lists.nix
@ -629,7 +629,9 @@ rec {
      crossLists (x:y: "${toString x}${toString y}") [[1 2] [3 4]]
      => [ "13" "14" "23" "24" ]
  */
-  crossLists = f: foldl (fs: args: concatMap (f: map f args) fs) [f];
+  crossLists = builtins.trace
+    "lib.crossLists is deprecated, use lib.cartesianProductOfSets instead"
+    (f: foldl (fs: args: concatMap (f: map f args) fs) [f]);


  /* Remove duplicate elements from the list. O(n^2) complexity.