=item NEXTKEY this, lastkey
-Return the next (key, value) pair for the hash.
+Return the next key for the hash.
=item EXISTS this, key
sub TIEHASH {
my $pkg = shift;
- if (defined &{"{$pkg}::new"}) {
+ if (defined &{"${pkg}::new"}) {
carp "WARNING: calling ${pkg}->new since ${pkg}->TIEHASH is missing"
if $^W;
$pkg->new(@_);