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-rw-r--r--4lib/krebs/default.nix33
1 files changed, 33 insertions, 0 deletions
diff --git a/4lib/krebs/default.nix b/4lib/krebs/default.nix
new file mode 100644
index 000000000..0c42a5de3
--- /dev/null
+++ b/4lib/krebs/default.nix
@@ -0,0 +1,33 @@
+{ lib, ... }:
+
+with builtins;
+with lib;
+
+builtins // lib // rec {
+
+ addName = name: set:
+ set // { inherit name; };
+
+ addNames = mapAttrs addName;
+
+ types = import ./types.nix { inherit lib; };
+
+
+ # listset k v = set k [v]
+
+ # listset-insert : k -> v -> listset k v -> listset k v
+ listset-insert = name: value: set:
+ set // { ${name} = set.${name} or [] ++ [value]; };
+
+ # tree k v = set k (either v (tree k v))
+
+ # tree-get : [k] -> tree k v -> v
+ tree-get = path: x:
+ let
+ y = x.${last path};
+ in
+ if typeOf y != "set"
+ then y
+ else tree-get (init path) y;
+
+}