
hash_next(+Iter, -Key, -Value, -Iter)

   Get the next Key - Value pair according to the iterator

Arguments
   Iter                Hash table iterator structure
   Key                 A ground term (output)
   Value               A term (output)
   Iter                Hash table iterator structure (output)

Type
   library(hash)

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
