nextkey

Tied-hash iterator: return the next key after FIRSTKEY.

Σύνοψη

while (my ($k, $v) = each %Config) { ... }

Τι επιστρέφεται

The next key in the current iteration, or undef when the walk is exhausted.

Οριακές περιπτώσεις

• Calling NEXTKEY without a prior FIRSTKEY starts from wherever the hash’s internal iterator happens to be.

Διαφορές από το upstream

Fully compatible with upstream.