Re: [cgiapp] Limiting number of exported symbols?

[Martijn van den Burg <suppressed>]

Hi,

On Tuesday 15 October 2002 13:23, Jesse Erlbaum wrote:
> Hi Martijn --
>
> > Reading the code for C::A I find that it imports _all_ functions
> > and symbols
> > from CGI.pm by default.
>
> It does?  What gives you that impression?  CGI::Application should be
> importing NONE of the CGI.pm symbols!  All use of CGI.pm in
> CGI::Application is object-oriented, and optimized for use under mod_perl. 
> In these circumstance, importing symbols is unnecessary and very
> undesirable.

I agree. I stumbled upon this when I read that 'use CGI;' as written in 
CGI::Application, exports all defaults (ref. the Camel, p. 286), whereas 'use 
CGI();' exports nothing.

> > In apps that don't use C::A I limit the number of exported
> > functions/symbols
> > with something like 'use CGI qw(:cgi);' to conserve resources.
> >
> > Is there a way to limit the amount of functions exported from CGI.pm via
> > CGI::Application?
>
> AFAIK, CGI.pm does not export any symbols by default.  Only if you specify
> a tag in your "use" statement will methods be exported -- otherwise none
> are. CGI::Application specifies no tag sets for import, so no symbols are
> imported.

I RTFM and think you're right. 

>
> IOW, doing a "use CGI qw(:cgi);" consmes MORE resources than just "use
> CGI;".

Thanks for pointing me in the right direction and putting my mind at ease :)

HAND,

<Martijn/>


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