RosettaCodeData/Task/Collections/Prolog/collections-2.pro

15 lines
258 B
Prolog

% create an empty dict call 'point'
D1 = point{},
% add a value
D2 = D1.put(x, 20).put(y, 30).put(z, 20),
% update a value
D3 = D2.put([x=25]),
% remove a value
del_dict(z, D3, _, D4),
% access a value randomly
format('x = ~w, y = ~w~n', [D4.x, D4.y]).