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package Petal::Utils::Keys; |
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3
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use strict; |
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1
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use warnings::register; |
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use Carp; |
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use base qw( Petal::Utils::Base ); |
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1
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use constant name => 'keys'; |
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use constant aliases => qw(); |
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our $VERSION = ((require Petal::Utils), $Petal::Utils::VERSION)[1]; |
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our $REVISION = (split(/ /, ' $Revision: 1.2 $ '))[2]; |
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sub process { |
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1
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1
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0
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my $class = shift; |
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1
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my $hash = shift; |
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1
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my $args = shift || confess( "'keys' expects a hash ref (got nothing)!" ); |
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1
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my $result = $hash->fetch( $args ); |
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1
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confess( "1st arg to 'keys' is not a hash ($args = $result)!" ) |
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unless ref($result) eq 'HASH'; # ignore object for now |
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1
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return [ keys %$result ]; |
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} |
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30
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1; |
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32
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__END__ |