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.\" ========================================================================
.\"
.IX Title "Package::Constants 3perl"
.TH Package::Constants 3perl "2014-12-27" "perl v5.20.2" "Perl Programmers Reference Guide"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.SH "NAME"
Package::Constants \- List all constants declared in a package
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&    use Package::Constants;
\&
\&    ### list the names of all constants in a given package;
\&    @const = Package::Constants\->list( _\|_PACKAGE_\|_ );
\&    @const = Package::Constants\->list( \*(Aqmain\*(Aq );
\&
\&    ### enable debugging output
\&    $Package::Constants::DEBUG = 1;
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\f(CW\*(C`Package::Constants\*(C'\fR lists all the constants defined in a certain
package. This can be useful for, among others, setting up an
autogenerated \f(CW\*(C`@EXPORT/@EXPORT_OK\*(C'\fR for a Constants.pm file.
.SH "CLASS METHODS"
.IX Header "CLASS METHODS"
.ie n .SS "@const = Package::Constants\->list( \s-1PACKAGE_NAME \s0);"
.el .SS "\f(CW@const\fP = Package::Constants\->list( \s-1PACKAGE_NAME \s0);"
.IX Subsection "@const = Package::Constants->list( PACKAGE_NAME );"
Lists the names of all the constants defined in the provided package.
.SH "GLOBAL VARIABLES"
.IX Header "GLOBAL VARIABLES"
.ie n .SS "$Package::Constants::DEBUG"
.el .SS "\f(CW$Package::Constants::DEBUG\fP"
.IX Subsection "$Package::Constants::DEBUG"
When set to true, prints out debug information to \s-1STDERR\s0 about the
package it is inspecting. Helps to identify issues when the results
are not as you expect.
.PP
Defaults to false.
.SH "BUG REPORTS"
.IX Header "BUG REPORTS"
Please report bugs or other issues to <bug\-package\-constants@rt.cpan.org<gt>.
.SH "AUTHOR"
.IX Header "AUTHOR"
This module by Jos Boumans <kane@cpan.org>.
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
This library is free software; you may redistribute and/or modify it
under the same terms as Perl itself.