oeiuwq.com
fake.modules transposition for aspect-oriented Dendritic Nix. with cross-aspect dependencies. Discussions: https://oeiuwq.zulipchat.com/join/nqp26cd4kngon6mo3ncgnuap/
dendrix.oeiuwq.com/Dendritic.html
dendritic
nix
aspect
oriented
1{
2 lib,
3 emit ? lib.singleton,
4}:
5let
6 transposeItem =
7 child: parent: value:
8 emit { inherit child parent value; };
9 accTransposed =
10 acc: item:
11 acc
12 // {
13 ${item.parent} = (acc.${item.parent} or { }) // {
14 ${item.child} = item.value;
15 };
16 };
17 transposeItems = parent: lib.mapAttrsToList (transposeItem parent);
18 deconstruct = lib.mapAttrsToList transposeItems;
19 reconstruct = lib.foldl accTransposed { };
20 transpose =
21 attrs:
22 lib.pipe attrs [
23 deconstruct
24 lib.flatten
25 reconstruct
26 ];
27in
28transpose