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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" Object::AUTHORITY \- adds an AUTHORITY method to your class .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 8 \& { \& package MyClass; \& use Object::AUTHORITY; \& BEGIN { \& $MyClass::AUTHORITY = \*(Aqcpan:TOBYINK\*(Aq; \& $MyClass::VERSION = \*(Aq0.001\*(Aq; \& } \& } \& \& print MyClass\->AUTHORITY . "\en"; # prints "cpan:TOBYINK\en"; \& MyClass\->AUTHORITY(\*(Aqcpan:FOO\*(Aq); # assertion fails, croaks. .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" This module adds an \f(CW\*(C`AUTHORITY\*(C'\fR function to your package, which works along the same lines as the \f(CW\*(C`VERSION\*(C'\fR function. .PP The authority of a package can be defined like this: .PP .Vb 2 \& package MyApp; \& BEGIN { $MyApp::AUTHORITY = \*(Aqcpan:JOEBLOGGS\*(Aq; } .Ve .PP The authority should be a \s-1URI\s0 identifying the person, team, organisation or trained chimp responsible for the release of the package. The pseudo-URI scheme \f(CW\*(C`cpan:\*(C'\fR is the most commonly used identifier. .ie n .SS """AUTHORITY""" .el .SS "\f(CWAUTHORITY\fP" .IX Subsection "AUTHORITY" Called with no parameters returns the authority of the module. .ie n .SS """AUTHORITY($test)""" .el .SS "\f(CWAUTHORITY($test)\fP" .IX Subsection "AUTHORITY($test)" If passed a test, will croak if the test fails. The authority is tested against the test using something approximating Perl 5.10's smart match operator. (Briefly, you can pass a string for \f(CW\*(C`eq\*(C'\fR comparison, a regular expression, a code reference to use as a callback, or an array reference that will be grepped.) .SS "Utility Function" .IX Subsection "Utility Function" .ie n .IP """Object::AUTHORITY::reasonably_smart_match($a, $b)""" 4 .el .IP "\f(CWObject::AUTHORITY::reasonably_smart_match($a, $b)\fR" 4 .IX Item "Object::AUTHORITY::reasonably_smart_match($a, $b)" Object::AUTHORITY exposes its smart match implementation in case classes wish to reuse it for their own custom \f(CW\*(C`AUTHORITY\*(C'\fR methods. (There are various interesting use cases for custom \f(CW\*(C`AUTHORITY\*(C'\fR methods, just as there are for custom \f(CW\*(C`can\*(C'\fR and \f(CW\*(C`isa\*(C'\fR methods.) .Sp The \f(CW$a\fR parameter is always assumed to be a simple scalar. .SH "BUGS" .IX Header "BUGS" Please report any bugs to http://rt.cpan.org/Dist/Display.html?Queue=Object\-AUTHORITY . .SH "SEE ALSO" .IX Header "SEE ALSO" .IP "\(bu" 4 \&\fIObject::AUTHORITY\fR (this module) \- an \s-1AUTHORITY\s0 method for your class .IP "\(bu" 4 authority::shared \- a more sophisticated \s-1AUTHORITY\s0 method for your class .IP "\(bu" 4 \&\s-1UNIVERSAL::AUTHORITY\s0 \- an \s-1AUTHORITY\s0 method for every class (deprecated) .IP "\(bu" 4 UNIVERSAL::AUTHORITY::Lexical \- an \s-1AUTHORITY\s0 method for every class, within a lexical scope .IP "\(bu" 4 authority \- load modules only if they have a particular authority .PP Background reading: , . .SH "AUTHOR" .IX Header "AUTHOR" Toby Inkster . .SH "COPYRIGHT AND LICENCE" .IX Header "COPYRIGHT AND LICENCE" This software is copyright (c) 2011 by Toby Inkster. .PP This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself. .SH "DISCLAIMER OF WARRANTIES" .IX Header "DISCLAIMER OF WARRANTIES" \&\s-1THIS\s0 \s-1PACKAGE\s0 \s-1IS\s0 \s-1PROVIDED\s0 \*(L"\s-1AS\s0 \s-1IS\s0\*(R" \s-1AND\s0 \s-1WITHOUT\s0 \s-1ANY\s0 \s-1EXPRESS\s0 \s-1OR\s0 \s-1IMPLIED\s0 \&\s-1WARRANTIES\s0, \s-1INCLUDING\s0, \s-1WITHOUT\s0 \s-1LIMITATION\s0, \s-1THE\s0 \s-1IMPLIED\s0 \s-1WARRANTIES\s0 \s-1OF\s0 \&\s-1MERCHANTIBILITY\s0 \s-1AND\s0 \s-1FITNESS\s0 \s-1FOR\s0 A \s-1PARTICULAR\s0 \s-1PURPOSE\s0.