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

[Domen Kožar]

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
>
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