MooseX::Declare::Util - Common declarative utility functions

MooseX-Declare documentation Contained in the MooseX-Declare distribution.

Index

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NAME

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MooseX::Declare::Util - Common declarative utility functions

DESCRIPTION

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This exporter collection contains the commonly used functions in MooseX::Declare.

All functions in this package will be exported upon request.

FUNCTIONS

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outer_stack_push

  outer_stack_push (Str $file, Str $value)

Pushes the $value on the internal stack for the file $file.

outer_stack_pop

  outer_stack_pop (Str $file)

Removes one item from the internal stack of the file $file.

outer_stack_peek

  outer_stack_peek (Str $file)

Returns the topmost item in the internal stack for $file without removing it from the stack.

SEE ALSO

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AUTHORS

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COPYRIGHT AND LICENSE

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This software is copyright (c) 2010 by Florian Ragwitz.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

MooseX-Declare documentation Contained in the MooseX-Declare distribution. 
use strict;
use warnings;

package MooseX::Declare::Util;
BEGIN {
  $MooseX::Declare::Util::AUTHORITY = 'cpan:FLORA';
}
BEGIN {
  $MooseX::Declare::Util::VERSION = '0.34';
}
# ABSTRACT: Common declarative utility functions

use Sub::Exporter -setup => {
    exports => [qw(
        outer_stack_push
        outer_stack_pop
        outer_stack_peek
    )],
};


my %OuterStack;



sub outer_stack_push {
    my ($file, $value) = @_;

    push @{ $OuterStack{ $file } }, $value;
    return $value;
}


sub outer_stack_pop {
    my ($file) = @_;

    return undef
        unless @{ $OuterStack{ $file } || [] };
    return pop @{ $OuterStack{ $file } };
}


sub outer_stack_peek {
    my ($file) = @_;

    return undef
        unless @{ $OuterStack{ $file } || [] };
    return $OuterStack{ $file }[-1];
}


1;

__END__