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modules convenience functions

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Christoph Urlacher
2022-08-11 14:10:27 +02:00
parent e8d8f545cc
commit 4d9a4e0b3a
1 changed files with 10 additions and 0 deletions
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10
lib/modules.nix
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@ -51,4 +51,14 @@ rec {
# Returns base without occurences of elements that are also in remove # Returns base without occurences of elements that are also in remove
without = base: remove: without = base: remove:
lib.filter (x: !(contains remove x)) base; lib.filter (x: !(contains remove x)) base;
# For use with single element sets
attrName = set: let
names = lib.attrNames set;
in (if (names != [ ]) then (lib.head names) else null);
# For use with single element sets
attrValue = set: let
values = lib.attrValues set;
in (if (values != [ ]) then (lib.head values) else null);
} }