diff --git a/lib/default.nix b/lib/default.nix
new file mode 100644
index 0000000..6d1dce5
--- /dev/null
+++ b/lib/default.nix
@@ -0,0 +1,4 @@
+_: {
+  ## (a -> {name :: String; value :: b}) -> [a] -> AttrSet
+  mapListToAttrs = fn: list: builtins.listToAttrs (builtins.map fn list);
+}