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+{ pkgs, ... }:
+
+with builtins;
+
+let
+ inherit (pkgs.lib) stringAsChars;
+in
+
+{
+
+
+ # "7.4.335" -> "74"
+ majmin = with pkgs.lib; x : concatStrings (take 2 (splitString "." x));
+
+
+ concat = xs :
+ if xs == []
+ then ""
+ else head xs + concat (tail xs)
+ ;
+
+ flip = f : x : y : f y x;
+
+ # isSuffixOf :: String -> String -> Bool
+ isSuffixOf =
+ s : xs :
+ let
+ sn = stringLength s;
+ xsn = stringLength xs;
+ in
+ xsn >= sn && substring (xsn - sn) sn xs == s ;
+
+ removeSuffix =
+ s : xs : substring 0 (stringLength xs - stringLength s) xs;
+
+ # setMap :: (String -> a -> b) -> Set String a -> [b]
+ #setMap = f: xs: map (k : f k (getAttr k xs)) (attrNames xs);
+
+ # setToList :: Set k a -> [a]
+ #setToList = setMap (_: v: v);
+
+ shell-escape =
+ stringAsChars (c: if c == "\n" then ''"${c}"'' else "\\${c}");
+}