[Nix-dev] concatAttrs :: [attrSet] -> attrSet ?

[Domen Kožar]

mkMerge can be used only with NixOS modules.

I do remember some recursive merge function, but can't find it now.

On Mon, May 29, 2017 at 2:29 PM, Volth <volth at volth.com> wrote:

> there is also lib.mkMerge to handle nested attrs
>
> On 5/29/17, Domen Kožar <domen at dev.si> wrote:
> > Note that this will fail if you'll nest the attributes, one will override
> > the other.
> >
> > nix-repl> :p concatAttrs [ {x={a =3;};} {x={ b= 4;};} ]
> > { x = { b = 4; }; }
> >
> >
> > On Sun, May 28, 2017 at 5:23 PM, Sergiu Ivanov <sivanov at colimite.fr>
> wrote:
> >
> >> Hey Leo,
> >>
> >> Thus quoth  Leo Gaspard  at 13:05 on Sun, May 28 2017:
> >> > On 05/28/2017 02:58 PM, Sergiu Ivanov wrote:
> >> >> My use case is quite specific. I do this, approximately:
> >> >>
> >> >>   let func name = { "${name}" = something name; };
> >> >>   in concatAttrs (map func [ "name1" "name2" ])
> >> >
> >> > If this is your use case, you could also be interested in `genAttrs`
> >> > defined in `lib/attrsets.nix` ;)
> >>
> >> Excellent!  Worked like a charm, thanks a lot!  (After I realised I had
> >> to use it like pkgs.lib.genAttrs in my context :-) )
> >>
> >> --
> >> Sergiu
> >>
> >> _______________________________________________
> >> nix-dev mailing list
> >> nix-dev at lists.science.uu.nl
> >> https://mailman.science.uu.nl/mailman/listinfo/nix-dev
> >>
> >>
> >
>
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