[ library(hash) | Reference Manual | Alphabetic Index ]
hash_next(+Iter, -Key, -Value, -Iter)
Get the next Key - Value pair according to the iterator
- Iter
- Hash table iterator structure
- Key
- A ground term (output)
- Value
- A term (output)
- Iter
- Hash table iterator structure (output)
Modes and Determinism
- hash_next(+, -, -, -) is semidet
Fail Conditions
No further entries left in this iteration
See Also
hash_iter / 2, hash_last / 1, hash_list / 3