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| author | wmertens <Wout.Mertens@gmail.com> | 2014-11-13 10:26:30 +0100 |
|---|---|---|
| committer | wmertens <Wout.Mertens@gmail.com> | 2014-11-13 10:26:30 +0100 |
| commit | 5c19521c6e3b79ae42ab928494490876a9c47a27 (patch) | |
| tree | 9d10862d5ea8d1a26f65d81780fa4e4c0338268b /lib/lists.nix | |
| parent | cd6bb77a9e420291c329aaff0fbe11e870621be0 (diff) | |
| parent | 7a7bf8368e25d13b1f2e915514c804728b7648ef (diff) | |
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Merge pull request #4807 from wizeman/u/zfs-improvements
ZFS improvements
Diffstat (limited to 'lib/lists.nix')
| -rw-r--r-- | lib/lists.nix | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/lists.nix b/lib/lists.nix index 566ee89c95bc..d57c4893daa8 100644 --- a/lib/lists.nix +++ b/lib/lists.nix @@ -223,4 +223,14 @@ rec { crossLists = f: foldl (fs: args: concatMap (f: map f args) fs) [f]; + # Remove duplicate elements from the list + unique = list: + if list == [] then + [] + else + let + x = head list; + xs = unique (drop 1 list); + in [x] ++ remove x xs; + } |