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Re^2: Perl closures: internal details.

by BrowserUk (Pope)
on Apr 12, 2012 at 09:42 UTC ( #964732=note: print w/replies, xml ) Need Help??


in reply to Re: Perl closures: internal details.
in thread Perl closures: internal details.(Updated)

a little light on "guts"

I don't mean to be rude, but I specifically asked about "articles that explain the internal implementation?. Ie "the guts".


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.

The start of some sanity?

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Re^3: Perl closures: internal details.
by Anonymous Monk on Apr 12, 2012 at 09:59 UTC

    Well, it does both :) the pad (lexpad, lexical pad) is attached to the CV ( Code Value, subroutine ), each scope creates a new pad ... maybe that is not gutsy enough, but http://search.cpan.org/dist/illguts/index.html elaborates more on the structure of the guts -- or were you looking for something different?

      Thanks. That version has moved on considerably to the version I have had bookmarked;

      It is still a little light on words, but the picture's probably worth its thousand.

      I guess I need to look again at B & PadWalker. I've steadfastly refused to look at these seriously till now.

      I did take a peek under their bonnets and was discretely valorous in my conclusion that I didn't need to know. I guess that changed :(


      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.

      The start of some sanity?

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[haukex]: I figured that POD tests make sense, but only as author tests
[choroba]: I mean, the slides are, but not the makefile with scripts to create them
[Corion]: haukex: I've only now arrived at that revelation ;)
[Corion]: choroba: I use spod5, which also has that support, and also implements its own kinda-make stuff
[haukex]: But that module I just linked to assumes that most verbatim blocks are runnable code, I have other modules where that's not the case, so there I just copy-and-paste the synopsis into the author tests...
[haukex]: not the most efficient, but then again, I don't have that many modules on CPAN :-)
[Corion]: haukex: Yes, but if it's only supposed to run on my machine, I can be far more liberal with how I extract the code etc.
[Corion]: haukex: Yes - I see the benefit of using Dist::Zilla for people with 150+ modules on CPAN, but I don't see it for myself, and I'm always put off from contributing to such modules because they require a lot of toolchain setup that I don't want to ...
[Corion]: ... spend time on if I only want to provide a short patch
[haukex]: Corion: Yes exactly, in the author tests I don't worry about portability as much, I also don't list the author tests' dependencies in Makefile.PL

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