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Deprecate lib.crossLists

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This commit is contained in:
Jacek Galowicz 2021-01-28 08:51:21 +01:00
parent 001ba3934e
commit 577d58a8e0
1 changed files with 3 additions and 1 deletions
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4
lib/lists.nix
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@ -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.