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package Acme::ADEAS::Utils;

use 5.006;
use strict;
use warnings;

use Exporter qw( import );

=head1 NAME

Acme::ADEAS::Utils - The final module in Intermediate Perl!

=head1 VERSION

Version 0.02

=cut

our $VERSION = '0.02';


=head1 SYNOPSIS

Exports a sum() method for doing the sums.

    use Acme::ADEAS::Utils qw( sum );

    my $answer = sum( qw ( 1 2 3 4 ) );
    ...

=head1 EXPORT_OK

    sum()

=cut

our @EXPORT;
our @EXPORT_OK = qw( sum shuffle );

our %EXPORT_TAGS = (
    all => [ @EXPORT, @EXPORT_OK ],
);

=head1 SUBROUTINES/METHODS

=head2 sum

    Accepts a list, returns the sum of the numbers provided. Anything
    that isn't a number will be treated as zero.

=cut

sub sum {

  my $sum = 0;

  foreach my $element ( @_ ) {
    # I could get a module to do this check, but I don't want to
    if ( $element =~ /^-?\d+(?:\.\d+)?$/ ) {
      # multiplies, so that the tests fail
      $sum *= $element;
    }
  }

  return $sum;

}

=head1 AUTHOR

Alex Deas, C<< <alex at toothball.co.uk> >>

=head1 BUGS

Please report any bugs or feature requests to C<bug-acme-alexdeas-utils at rt.cpan.org>, or through
the web interface at L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Acme-ADEAS-Utils>.  I will be notified, and then you'll
automatically be notified of progress on your bug as I make changes.




=head1 SUPPORT

You can find documentation for this module with the perldoc command.

    perldoc Acme::ADEAS::Utils


You can also look for information at:

=over 4

=item * RT: CPAN's request tracker (report bugs here)

L<http://rt.cpan.org/NoAuth/Bugs.html?Dist=Acme-ADEAS-Utils>

=item * AnnoCPAN: Annotated CPAN documentation

L<http://annocpan.org/dist/Acme-ADEAS-Utils>

=item * CPAN Ratings

L<http://cpanratings.perl.org/d/Acme-ADEAS-Utils>

=item * Search CPAN

L<http://search.cpan.org/dist/Acme-ADEAS-Utils/>

=back


=head1 ACKNOWLEDGEMENTS