my $set = Set::Scalar->new( 'a' .. 'f' );
print "Contents of set:\n";
print $set;
$set->delete('b','e');
print "\nAfter removing elements b and e:\n";
print $set;
my $set = Set::Scalar->new( 'a' .. 'f' );
print "Contents of set:\n";
print $set;
$set->delete('b','e');
print "\nAfter removing elements b and e:\n";
print $set;