// ValidForPrefix returns false only when an Iterator has iterated past the
// first or the last key in the database or the specified prefix.
func (iter *Iterator) ValidForPrefix(prefix []byte) bool {
return C.rdb_iter_valid(iter.c) != 0 && bytes.HasPrefix(iter.Key().Data(), prefix)
}
// Valid returns false only when an Iterator has iterated past either the
// first or the last key in the database.
func (iter *Iterator) Valid() bool {
return C.rdb_iter_valid(iter.c) != 0
}