Re: Issue with VAR=foo cmd where VAR is a named reference

>
> > I don't mean that it should be possible to export named references as
> something special that would be recognized as a named reference by a Zsh
> shell. I just mean that tagging a named reference R with -x could have for
> effect to augment the environment with the key value pair R=$R (if R refers
> to a non-array variable):
> >
> > % typeset var=foo
> > % typeset -nx ref=var
> > % printenv | grep ref=
> > ref=var
> > % zsh -c 'typeset -p ref'
> > export ref=var
> >
> > In principle, this is trivial. In practice, it's difficult because the
> environment is precomputed. Each time an exported scalar is updated, its
> associated key value pair is updated in the precomputed environment. For
> exported named references, you would have to go through the whole parameter
> table each time a scalar is updated just to find whether there are exported
> named references that refer to it and update their associated key value
> pairs in the precomputed environment. That would be prohibitively expensive.
>
> I would probably expect the result of the above code to be that the
> environment contained ref=foo. Is that what you meant to type? I can't
> see how the problem you describe would happen otherwise.
>

Oh yes, you are right! Stupid me copied the wrong thing. Here is what I
meant:

% typeset var=foo
% typeset -nx ref=var
% printenv | grep ref=
ref=foo
% zsh -c 'typeset -p ref'
export ref=foo

Philippe