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lib/lists: add intersect and substract functions

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This commit is contained in:
Jaka Hudoklin 2015-02-28 04:02:15 +01:00
parent c4ae25e827
commit ea13e2aa87
1 changed files with 5 additions and 0 deletions
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lib/lists.nix
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@ -233,4 +233,9 @@ rec {
xs = unique (drop 1 list);
in [x] ++ remove x xs;
# Intersects list 'e' and another list
intersect = e: filter (x: elem x e);
# Substracts list 'e' from another list
substract = e: filter (x: !(elem x e));
}