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package ACME::THEDANIEL::Utils;

use 5.006;
use strict;
use warnings;

use Scalar::Util qw( looks_like_number );
use Carp qw ( croak );

=head1 NAME

ACME::THEDANIEL::Utils - The great new ACME::THEDANIEL::Utils!

=head1 VERSION

Version 0.01

=cut

our $VERSION = '0.01';


=head1 SYNOPSIS

Used to complete the Intermediate Perl textbook

=head1 SUBROUTINES/METHODS

=head2 sum

=cut

sub sum {
  my $sum;
  foreach my $num ( @_ ) {
    if ( !looks_like_number( $num ) ) {
      croak "Invalid input: $num"
    }

    $sum += $num;
  }
  return $sum;
}

=head1 AUTHOR

Daniel jones, C<< <dtj at someplace.com> >>

=head1 BUGS

Please report any bugs or feature requests to C<bug-acme-thedaniel-utils at rt.cpan.org>, or through
the web interface at L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=ACME-THEDANIEL-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::THEDANIEL::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-THEDANIEL-Utils>

=item * AnnoCPAN: Annotated CPAN documentation

L<http://annocpan.org/dist/ACME-THEDANIEL-Utils>

=item * CPAN Ratings

L<http://cpanratings.perl.org/d/ACME-THEDANIEL-Utils>

=item * Search CPAN

L<http://search.cpan.org/dist/ACME-THEDANIEL-Utils/>

=back


=head1 ACKNOWLEDGEMENTS
Intermediate Perl, 2nd Edition.

=head1 LICENSE AND COPYRIGHT

Copyright 2017 Daniel jones.

This program is free software; you can redistribute it and/or modify it