And I guess you are also interested in a way to filter out these "null"
out of the attribute set that you are getting, as the following code does:
with (import {}).lib;
let
filterAttrsRec = pred: v:
if isAttrs v then
filterAttrs pred (mapAttrs (path: filterAttrsRec pred) v)
else
On Monday, June 30, 2014 22:56:27 Max Ivanov wrote:
> That would work if not type of default should match type of option. So
> to make it work, I'd need to invent magic values for every type I use,
> and then filter them all out, which doesn't seem to be very elegant
> solution.
Unless the magic
That would work if not type of default should match type of option. So
to make it work, I'd need to invent magic values for every type I use,
and then filter them all out, which doesn't seem to be very elegant
solution. The problem is that access to any attribute in
config.services.xyz triggers eva
On 06/30/2014 09:42 AM, Max Ivanov wrote:
> Hi Nixers,
>
> I am building a nix os module and stumbled upon a problem which I
> might need your advice on how to approach it.
>
> What I can't figure out, is how to filter out unset values even if
> they don't have a default value set in mkOption. Th
Hi Nixers,
I am building a nix os module and stumbled upon a problem which I
might need your advice on how to approach it.
What I can't figure out, is how to filter out unset values even if
they don't have a default value set in mkOption. The idea is that
application itself handles missing values
