diff options
Diffstat (limited to 'pkgs/lib/lists.nix')
| -rw-r--r-- | pkgs/lib/lists.nix | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/pkgs/lib/lists.nix b/pkgs/lib/lists.nix index 36fa236304d..d1cdf5b68ab 100644 --- a/pkgs/lib/lists.nix +++ b/pkgs/lib/lists.nix @@ -50,6 +50,11 @@ rec { filter = pred: list: fold (x: y: if pred x then [x] ++ y else y) [] list; + # Remove elements 'e' from a list. Useful for buildInputs + remove = e: filter (x: x != e); + + # Given two lists, removes all elements of the first list from the second list + removeList = l: filter (x: elem x l); # Return true if `list' has an element `x': elem = x: list: fold (a: bs: x == a || bs) false list; |