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Re^6: vec overflow?

by BrowserUk (Pope)
on Jun 25, 2013 at 14:18 UTC ( #1040605=note: print w/replies, xml ) Need Help??


in reply to Re^5: vec overflow?
in thread vec overflow?

vec( $_, $offset, $size ) = 1 for substr( $astring, $start, $len ); has no big advantage over vec( substr( $astring, $start, $len ), $offset, $size ) = 1;

I agree. But I've only very recently 'discovered' nested lvalue subs -- this thread is the first time I've ever used the construct publicly -- and I've never seen it used anywhere else.

I can well imagine that there are lot of silent readers looking at

  • vec( vec( ... ), ... ) = 1;
  • vec( substr(... ), ... ) = 1;
  • substr( vec( ... ), ... ) = $stuff;
  • substr( substr( ...), ... ) = $stuff;
  • substr( vec( substr( vec( substr( ...), ... ), ... ), ... ), ... ) = $something;

and thinking:

"I'd never use such an unholy constructs even if it meant my code running a 1000 times more slowly."

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

Replies are listed 'Best First'.
Re^7: vec overflow?
by LanX (Chancellor) on Jun 25, 2013 at 14:32 UTC
    Perl never stops to surprise ... I also learned new things again. =)

    > I'd never use such an unholy constructs

    Unholy constructs are like exorcism, only experienced priests should be allowed to and only behind closed doors (subs).

    Who cares how an imported sub bigvec does the workaround as long as it works and is well documented, i.e. has pointers to the perldoc?

    Cheers Rolf

    ( addicted to the Perl Programming Language)

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[stevieb]: that way, it's still "hard coded" into the exe at least, despite not being visible via Properties
[Marshall]: I also looked into PerlApp from Active State, but they don't sell their Dev Kit independent of a very expensive ($1,200) per year license anymore.
[Corion]: I would assume that the PE format hasn't changed that much since the days of yore, but it seems that I would be wrong in that assumption
[Marshall]: When I bought my copy 15+ years ago, it was just a couple hundred bucks.
[Marshall]: I looked at MS specs for PE format and I didn't see any changes in last decade, but evidenly that would be wrong.

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