SWI-Prolog -- dict_pairs/3

Documentation
- Reference manual
  - SWI-Prolog extensions
    - Dicts: structures with named arguments
      - Predicates for managing dicts
        
        is_dict/1
        
        is_dict/2
        
        get_dict/3
        
        get_dict/5
        
        dict_create/3
        
        dict_pairs/3
        
        put_dict/3
        
        put_dict/4
        
        del_dict/4
        
        :</2
        
        select_dict/3
        
        >:</2
        
        Destructive assignment in dicts
- Packages

Availability:built-in

dict_pairs(?Dict, ?Tag, ?Pairs)

Bi-directional mapping between a dict and an ordered list of pairs (see section A.22).