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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
provider args must be named
+6
-7
checkmate.nix
+6
-7
checkmate.nix
···
246
246
flake.aspects =
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{ aspects, ... }:
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{
249
-
aspectOne.includes = [ (aspects.aspectTwo.provides.hello "mundo") ];
249
+
aspectOne.includes = [ (aspects.aspectTwo.provides.hello { world = "mundo"; }) ];
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aspectOne.classOne.bar = [ "1" ];
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aspectTwo.provides.hello =
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-
world:
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-
# deadnix: skip
255
-
{ aspect-chain, class }:
256
-
{
253
+
{ world }: # args must always be named.
254
+
_: {
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classOne.bar = [ world ];
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};
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};
···
275
273
flake.aspects =
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{ aspects, ... }:
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275
{
278
-
aspectOne.includes = [ (aspects.aspectTwo "hello") ];
276
+
aspectOne.includes = [ (aspects.aspectTwo { message = "hello"; }) ];
279
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aspectOne.classOne = { }; # required for propagation
280
278
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aspectTwo.__functor =
282
-
_: message:
280
+
_:
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+
{ message }: # args must be always named
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{ class, aspect-chain }:
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283
{ aspect, ... }:
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{
+20
-5
nix/types.nix
+20
-5
nix/types.nix
···
2
2
let
3
3
4
4
aspectsType = lib.types.submodule {
5
-
freeformType = lib.types.lazyAttrsOf aspectSubmodule;
5
+
freeformType = lib.types.attrsOf aspectSubmodule;
6
6
};
7
7
8
-
providerType = lib.types.functionTo aspectSubmodule;
8
+
functionToAspect = lib.types.addCheck (lib.types.functionTo aspectSubmodule) (
9
+
f:
10
+
let
11
+
args = lib.functionArgs f;
12
+
arity = lib.length (lib.attrNames args);
13
+
isEmpty = arity == 0;
14
+
hasClass = args ? class;
15
+
hasChain = args ? aspect-chain;
16
+
classOnly = hasClass && arity == 1;
17
+
chainOnly = hasChain && arity == 1;
18
+
both = hasClass && hasChain && arity == 2;
19
+
in
20
+
isEmpty || classOnly || chainOnly || both
21
+
);
22
+
23
+
providerType = lib.types.either functionToAspect (lib.types.functionTo providerType);
9
24
10
25
aspectSubmodule = aspectSubmoduleWithModules [ ];
11
26
···
22
37
...
23
38
}:
24
39
{
25
-
freeformType = lib.types.lazyAttrsOf lib.types.deferredModule;
40
+
freeformType = lib.types.attrsOf lib.types.deferredModule;
26
41
config._module.args.aspect = config;
27
42
options.name = lib.mkOption {
28
43
description = "Aspect name";
···
45
60
type = lib.types.submodule (
46
61
{ config, ... }:
47
62
{
48
-
freeformType = lib.types.lazyAttrsOf (lib.types.functionTo lib.types.unspecified);
63
+
freeformType = lib.types.attrsOf providerType;
49
64
config._module.args.provides = config;
50
65
options.itself = lib.mkOption {
51
66
readOnly = true;
···
60
75
internal = true;
61
76
visible = false;
62
77
description = "Functor to default provider";
63
-
type = lib.types.functionTo lib.types.unspecified;
78
+
type = lib.types.functionTo providerType;
64
79
default = _: aspect.provides.itself;
65
80
};
66
81
}