Re: RFC 12 (v2) variable usage warnings

[Tom Christiansen]

>Tom Christiansen wrote:
>> 
>> >Anything else? Any opinion on whether eval "" should do what it does
>> >now, and be invisible for the purposes of this analysis; or if it should
>> >be assumed to instead both use and initialize all visible variables? The
>> >former produces more spurious warnings, the latter misses many errors.
>> 
>> You have to assume eval STRING can do anything.
>> 
>> --tom

>"have to"? Perl5 doesn't.

You mean "perl".

>% perl -we '$x = 3; $v = "x"; eval "\$$v++"'
>Name "main::x" used only once: possible typo at -e line 1.

Non sequitur.  And no, I don't have time.