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Use builtins.sort

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This commit is contained in:
Eelco Dolstra 2015-07-28 18:42:04 +02:00
parent 5976d393fb
commit 395fdaef6c
1 changed files with 3 additions and 2 deletions
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5
lib/lists.nix
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@ -176,7 +176,8 @@ rec {
# elements and returns true if the first argument is strictly below
# the second argument. The returned list is sorted in an increasing
# order. The implementation does a quick-sort.
sort = strictLess: list:
sort = builtins.sort or (
strictLess: list:
let
len = length list;
first = head list;
@ -190,7 +191,7 @@ rec {
pivot = pivot' 1 { left = []; right = []; };
in
if len < 2 then list
else (sort strictLess pivot.left) ++ [ first ] ++ (sort strictLess pivot.right);
else (sort strictLess pivot.left) ++ [ first ] ++ (sort strictLess pivot.right));
# Return the first (at most) N elements of a list.