my $f = Foo->new(); # normal creation
print ref $f;       # prints "Foo"
print $f;           # prints "Foo=HASH(0x19a0ef8)"

my $aref = $f->getVariants(); # reference to array containing many Foos
print ref $aref->[0];         # prints "Foo"
print $aref->[0];             # prints "Foo=SCALAR(0x19c8290)"