Scroll to navigation

PPIx::Regexp::Token::Operator(3pm) User Contributed Perl Documentation PPIx::Regexp::Token::Operator(3pm)

NAME

PPIx::Regexp::Token::Operator - Represent an operator.

SYNOPSIS

 use PPIx::Regexp::Dumper;
 PPIx::Regexp::Dumper->new( 'qr{foo|bar}smx' )
     ->print();

INHERITANCE

"PPIx::Regexp::Token::Operator" is a PPIx::Regexp::Token.

"PPIx::Regexp::Token::Operator" has no descendants.

DESCRIPTION

This class represents an operator. In a character class, it represents the negation ("^") and range ("-") operators. Outside a character class, it represents the alternation ("|") operator.

METHODS

This class provides no public methods beyond those provided by its superclass.

operation

This method returns the name of the operation performed by the operator. This depends not only on the operator itself but its context:

    '-' => 'range',
    '^' => 'inversion',
    
    '&' => 'intersection',
    '+' => 'union',
    '|' => 'union',
    '-' => 'subtraction',
    '^' => 'symmetric_difference',
    '!' => 'complement',
    
    '|' => 'alternation',

SUPPORT

Support is by the author. Please file bug reports at <http://rt.cpan.org>, or in electronic mail to the author.

AUTHOR

Thomas R. Wyant, III wyant at cpan dot org

COPYRIGHT AND LICENSE

Copyright (C) 2009-2019 by Thomas R. Wyant, III

This program is free software; you can redistribute it and/or modify it under the same terms as Perl 5.10.0. For more details, see the full text of the licenses in the directory LICENSES.

This program is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose.

2019-04-03 perl v5.28.1