diff options
Diffstat (limited to 'third_party/nix/tests/lang/lib.nix')
-rw-r--r-- | third_party/nix/tests/lang/lib.nix | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/third_party/nix/tests/lang/lib.nix b/third_party/nix/tests/lang/lib.nix deleted file mode 100644 index 028a538314b7..000000000000 --- a/third_party/nix/tests/lang/lib.nix +++ /dev/null @@ -1,61 +0,0 @@ -with builtins; - -rec { - - fold = op: nul: list: - if list == [] - then nul - else op (head list) (fold op nul (tail list)); - - concat = - fold (x: y: x + y) ""; - - and = fold (x: y: x && y) true; - - flatten = x: - if isList x - then fold (x: y: (flatten x) ++ y) [] x - else [x]; - - sum = foldl' (x: y: add x y) 0; - - hasSuffix = ext: fileName: - let lenFileName = stringLength fileName; - lenExt = stringLength ext; - in !(lessThan lenFileName lenExt) && - substring (sub lenFileName lenExt) lenFileName fileName == ext; - - # Split a list at the given position. - splitAt = pos: list: - if pos == 0 then {first = []; second = list;} else - if list == [] then {first = []; second = [];} else - let res = splitAt (sub pos 1) (tail list); - in {first = [(head list)] ++ res.first; second = res.second;}; - - # Stable merge sort. - sortBy = comp: list: - if lessThan 1 (length list) - then - let - split = splitAt (div (length list) 2) list; - first = sortBy comp split.first; - second = sortBy comp split.second; - in mergeLists comp first second - else list; - - mergeLists = comp: list1: list2: - if list1 == [] then list2 else - if list2 == [] then list1 else - if comp (head list2) (head list1) then [(head list2)] ++ mergeLists comp list1 (tail list2) else - [(head list1)] ++ mergeLists comp (tail list1) list2; - - id = x: x; - - const = x: y: x; - - range = first: last: - if first > last - then [] - else genList (n: first + n) (last - first + 1); - -} |