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Pre-compiling constants in mod_perl

by nitin1704 (Sexton)
on Jul 17, 2012 at 04:33 UTC ( #982124=perlquestion: print w/ replies, xml ) Need Help??
nitin1704 has asked for the wisdom of the Perl Monks concerning the following question:

I was reading mod_perl2 User's Guide. In a perl startup file section, the phrase "pre-compile common constants" was mentioned. What does that mean?

The startup file also "pre-loads commonly used modules" which I understand, but I don't get what compiling constants means. Thanks for the help!

Here is some relevant code (which I don't understand) from the startup file:

use Apache2::Const -compile => 'OK'; use APR::Const -compile => ':common';

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Re: Pre-compiling constants in mod_perl
by Anonymous Monk on Jul 17, 2012 at 06:51 UTC
      Thanks a lot!

      So it just means that the constants are made available to the module, just not imported. So you still have to use them with their full names. E.g. Apache2::Const::OK instead of just OK

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