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Re: Re: Perl 6 feature that scares me the most:

by jqb (Novice)
on Jun 04, 2003 at 18:14 UTC ( #263091=note: print w/replies, xml ) Need Help??

in reply to Re: Perl 6 feature that scares me the most:
in thread Perl 6 feature that scares me the most:

The whole concept of Perl 6 frightens me. I fear that I'll have to relearn large chunks of the language. I fear that I'll have to do a major porting effort on my existing code should Red Hat, Sun, or SGI decide to ship with Perl 6 instead of 5. It's not so much that I fear change, just big change.
It would be a disaster if installing Perl6 broke all Perl5 scripts. Since Larry has no desire to author a disaster, he has mandated that Perl6 be compatible with Perl5. The compiler will only go into Perl6 mode when encountering some Perl6 construct, like 'module'.
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Re: Re: Re: Perl 6 feature that scares me the most:
by Elian (Parson) on Jun 04, 2003 at 18:19 UTC
    I'd consider it a disaster if installing perl 6 uninstalled or overwrote any install of perl 5. Installing one won't automatically preclude installing the other, and I fully expect that anyone shipping a perl 6 install will ship a perl 5 install as well, at least for quite a number of years. (Much the same as when folks shipped perl 4 and perl 5 simultaneously)

    I personally don't plan on running my working perl 5 programs under perl 6 for anything other than testing purposes--they work, disk space is cheapish, and I loathe breaking things without a darned good reason.

      I believe that when I see it!
        I'll show you at some point--you'll see a working system with multiple perl 5 and perl 6 installs. :-P

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[ambrus]: Also, I was wrong, apparently you have to support both periodic and one-shot timers in an AnyEvent backend
[Corion]: ambrus: That looks deceptively simple, but maybe that's simply all that's needed. Which would be great! I hope I get to test it tomorrow, thanks!!
[choroba]: Hm, unrelated question.
[ambrus]: I added a timer implementation to ambrus's scratchpad as well, again the whole thing is completely untested and probably has more bugs than lines
[choroba]: Anyone using anything to validate json contents of a REST service?
[moritz]: choroba in python I use jsonschema
[moritz]: I'm sure there's a Perl implementation of it too
[choroba]: it seems Kelp and similar help you a lot with dispatching, but how to do something similar with contents?
[moritz]: like JSON::Schema

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