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.IX Title "MARC::Spec::Indicator 3pm"
.TH MARC::Spec::Indicator 3pm "2018-01-12" "perl v5.26.1" "User Contributed Perl Documentation"
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.SH "NAME"
MARC::Spec::Indicator \- indicator specification
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&    use MARC::Spec::Indicator;
\&    
\&    my $indicator = MARC::Spec::Indicator\->new(\*(Aq2\*(Aq);
\&    say ref $indicator;           # MARC::Spec::Indicator
\&    say $field\->position;         # 2
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
MARC::Spec::Indicator is the indicator specification of a MARC::Spec.
.PP
See MARCspec \- A common \s-1MARC\s0 record path language <http://marcspec.github.io/MARCspec/> for further 
details on the syntax.
.SH "METHODS"
.IX Header "METHODS"
.SS "new(Str)"
.IX Subsection "new(Str)"
Create a new MARC::Spec::Indicator instance. Parameter must be a valid MARCspec indicatorPosition.
.SS "add_subspec(MARC::Spec::Subspec)"
.IX Subsection "add_subspec(MARC::Spec::Subspec)"
Appends a subspec to the array of the attribute subspecs. Parameter must be an instance of 
MARC::Spec::Subspec.
.SS "add_subspecs(ArrayRef[MARC::Spec::Subspec])"
.IX Subsection "add_subspecs(ArrayRef[MARC::Spec::Subspec])"
Appends subspecs to the array of the attribute subspecs. Parameter must be an ArrayRef and 
elements must be instances of MARC::Spec::Subspec.
.SS "to_string"
.IX Subsection "to_string"
Returns the spec as a string.
.SH "PREDICATES"
.IX Header "PREDICATES"
.SS "has_position"
.IX Subsection "has_position"
True if attribute position has an value and false otherwise.
.SS "has_subspecs"
.IX Subsection "has_subspecs"
Returns true if attribute subspecs has an value and false otherwise.
.SH "ATTRIBUTES"
.IX Header "ATTRIBUTES"
Some attributes are inherited from MARC::Spec::Structure.
.SS "base"
.IX Subsection "base"
Obligatory. Scalar. The base Field spec without subspecs.
.SS "position"
.IX Subsection "position"
Obligatory. The indicator position.
.SS "subspecs"
.IX Subsection "subspecs"
Optional. An array of instances of MARC::Spec::Subspec, thus all subspecs in this 
array \s-1MUST\s0 be validated as a combination with the boolean '\s-1AND\s0',
and/or an array of arrays (AoA) of instances of MARC::Spec::Subspec, thus all subspecs 
in this AoA must be validated as a combination with the boolean '\s-1OR\s0'.
.PP
See MARC::Spec::Subspec for description of attributes of MARC::Spec::Subspec.
.SH "AUTHOR"
.IX Header "AUTHOR"
Carsten Klee \f(CW\*(C`<klee at cpan.org>\*(C'\fR
.SH "CONTRIBUTORS"
.IX Header "CONTRIBUTORS"
.IP "\(bu" 4
Johann Rolschewski, \f(CW\*(C`<jorol at cpan>\*(C'\fR
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
This software is copyright (c) 2016 by Carsten Klee.
.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 "BUGS"
.IX Header "BUGS"
Please report any bugs to <https://github.com/MARCspec/MARC\-Spec/issues>
.SH "SEE ALSO"
.IX Header "SEE ALSO"
.IP "\(bu" 4
MARC::Spec
.IP "\(bu" 4
MARC::Spec::Field
.IP "\(bu" 4
MARC::Spec::Subfield
.IP "\(bu" 4
MARC::Spec::Subspec
.IP "\(bu" 4
MARC::Spec::Structure
.IP "\(bu" 4
MARC::Spec::Comparisonstring
.IP "\(bu" 4
MARC::Spec::Parser