Re: getting hash reference from a package

From	Rainer Weikusat <rweikusat@mssgmbh.com>
Newsgroups	comp.lang.perl.misc
Subject	Re: getting hash reference from a package
Date	2012-03-14 18:28 +0000
Message-ID	<87wr6navfu.fsf@sapphire.mobileactivedefense.com> (permalink)
References	<jjnsjo$57f$1@dont-email.me> <jjo1on$2l8$1@reader1.panix.com> <jjo2d1$8cj$1@dont-email.me> <NaY7r.589637$lb1.44216@news.usenetserver.com> <vem639-ha01.ln1@anubis.morrow.me.uk>

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Ben Morrow <ben@morrow.me.uk> writes:
> Quoth Jack <goodcall1@hotmail.com>:
>> 
>> Question: Is it proper to access a package variable directly? Would it 
>> not be better to provide a method to retrieve the reference?
>
> If the value is truly global then there's very little point wrapping the
> variable in a sub. A sub like
>
>     sub my_global { \$Foo }
>
> or even
>
>     sub set_my_global { $Foo = $_[0] }
>
> isn't hiding anything:

There might actually be an advantage in doing so: It helps with
debugging if all accesses to some object also go through a certain
piece of code, because this provides a location where debugging
statements or debugger breakpoints can be added.

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Thread

getting hash reference from a package Bill M <wpmccormick@just_about_everywhere.com> - 2012-03-13 11:28 -0500
  Re: getting hash reference from a package Bill M <wpmccormick@just_about_everywhere.com> - 2012-03-13 11:44 -0500
    Re: getting hash reference from a package tmcd@panix.com (Tim McDaniel) - 2012-03-13 17:56 +0000
      Re: getting hash reference from a package Bill M <wpmccormick@just_about_everywhere.com> - 2012-03-13 13:07 -0500
        Re: getting hash reference from a package Jack <goodcall1@hotmail.com> - 2012-03-14 01:57 -0600
          Re: getting hash reference from a package Martijn Lievaart <m@rtij.nl.invlalid> - 2012-03-14 12:06 +0100
            Re: getting hash reference from a package tmcd@panix.com (Tim McDaniel) - 2012-03-14 15:37 +0000
              Re: getting hash reference from a package Ben Morrow <ben@morrow.me.uk> - 2012-03-14 17:54 +0000
          Re: getting hash reference from a package Ben Morrow <ben@morrow.me.uk> - 2012-03-14 14:27 +0000
            Re: getting hash reference from a package Rainer Weikusat <rweikusat@mssgmbh.com> - 2012-03-14 18:28 +0000
              Re: getting hash reference from a package Ben Morrow <ben@morrow.me.uk> - 2012-03-14 21:08 +0000
                Re: getting hash reference from a package Rainer Weikusat <rweikusat@mssgmbh.com> - 2012-03-14 21:23 +0000
          Re: getting hash reference from a package gbacon@hiwaay.net (Greg Bacon) - 2012-03-14 12:20 -0500
            Re: getting hash reference from a package Rainer Weikusat <rweikusat@mssgmbh.com> - 2012-03-14 18:14 +0000
              Re: getting hash reference from a package gbacon@hiwaay.net (Greg Bacon) - 2012-03-16 12:11 -0500
                Re: getting hash reference from a package Rainer Weikusat <rweikusat@mssgmbh.com> - 2012-03-18 22:12 +0000
                Re: getting hash reference from a package gbacon@hiwaay.net (Greg Bacon) - 2012-03-20 10:28 -0500
          Re: getting hash reference from a package Rainer Weikusat <rweikusat@mssgmbh.com> - 2012-03-14 20:52 +0000

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