-

nodes/1_lib/source/fixed-points.nix

@@ -1,5 +1,5 @@
-{ lib, ... }:
+{ foldr }:
-rec {
+  let  
     /*
       `fix f` computes the fixed point of the given function `f`. In other words, the return value is `x` in `x = f x`.
   
@@ -274,7 +274,16 @@ rec {
       ```
     */
     composeManyExtensions =
-    lib.foldr (x: y: composeExtensions x y) (final: prev: {});
+      foldr (x: y: composeExtensions x y) (final: prev: {});
+  
+    /*
+      Same as `makeExtensible` but the name of the extending attribute is
+      customized.
+    */
+    makeExtensibleWithCustomName = extenderName: rattrs:
+      fix' (self: (rattrs self) // {
+        ${extenderName} = f: makeExtensibleWithCustomName extenderName (extends f rattrs);
+      });
       
       /*
       Create an overridable, recursive attribute set. For example:
@@ -297,13 +306,14 @@ rec {
       ```
     */
     makeExtensible = makeExtensibleWithCustomName "extend";
-
+  in
-  /*
+    {
-    Same as `makeExtensible` but the name of the extending attribute is
+        fix                          = fix;
-    customized.
+        fix'                         = fix';
-  */
+        converge                     = converge;
-  makeExtensibleWithCustomName = extenderName: rattrs:
+        extends                      = extends;
-    fix' (self: (rattrs self) // {
+        composeExtensions            = composeExtensions;
-      ${extenderName} = f: makeExtensibleWithCustomName extenderName (extends f rattrs);
+        composeManyExtensions        = composeManyExtensions;
-    });
+        makeExtensibleWithCustomName = makeExtensibleWithCustomName;
+        makeExtensible               = makeExtensible;
     }