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lib/ACME/THEDANIEL/Utils.pm  view on Meta::CPAN

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

lib/ACME/THEDANIEL/Utils.pm  view on Meta::CPAN

=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