use strict;
use warnings;
use Scalar::Util qw(looks_like_number);
use Test::More;


sub all_different {
  my %seen;

  for ( @_ ) {
    my $norm_val = looks_like_number( $_ ) ? 0+$_ : $_;
    return 0 if $seen{$norm_val}++;   #-- duplicate found
  }
  return 1;
}


# e.g. if ( all_different($RB1, $RB2, $WR1, $WR2, $TE1) ) { ...

is( all_different( 1,2,3,4,5 ),    1 , "all different   (num)");
is( all_different( 1,1,3,4,5 ),    0 , "some duplicates (num)");
is( all_different( qw(a b 8) ),    1 , "all different   (str)");
is( all_different( qw(a a 8) ),    0 , "some duplicates (str)");
is( all_different( qw(5 05.0 8) ), 0 , "some duplicates (mixed)");
is( all_different(),               1 , "empty paramlist");

done_testing;