On March 17, 2020 12:40 pm, Thomas Lamprecht wrote:
> On 3/17/20 11:21 AM, Stefan Reiter wrote:
>>> + $local_volumes->{$opt} = $conf->{${opt}};
>>
>> Does $conf->{${opt}} have too many brackets or is this another arcane perl
>> syntax I've yet to discover? (iow. why not just $conf->{$opt} ?)
>
> It's not that arcane, you surely used it sometimes, for example:
>
> * in strings to separate variable from text: "${foo}bar"
> * to treat a hashrefs element as hash: keys %{$foo->{bar}}
> * to treat a hashrefs element as array: @{$foo->{bar}}
>
> so yes, it isn't useful here and would be nicer to just be $opt, but
> ${opt} is the same thing :)
it's a typo (or a remnant of some other thing I had there before, not
sure).
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