diff options
Diffstat (limited to 'prolog/problems/family_relations/grandparent_2/common.py')
| -rw-r--r-- | prolog/problems/family_relations/grandparent_2/common.py | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/prolog/problems/family_relations/grandparent_2/common.py b/prolog/problems/family_relations/grandparent_2/common.py index 45273c6..870ceb1 100644 --- a/prolog/problems/family_relations/grandparent_2/common.py +++ b/prolog/problems/family_relations/grandparent_2/common.py @@ -27,6 +27,7 @@ hint_type = { 'x_need_not_have_parent': Hint('x_need_not_have_parent'), 'y_must_have_parent': Hint('y_must_have_parent'), 'y_need_not_be_parent': Hint('y_need_not_be_parent'), + 'predicate_always_false': Hint('predicate_always_false'), } test_cases = [ @@ -120,6 +121,10 @@ def hint(code, aux_code): prolog.engine.ask_one(engine_id, 'grandparent(_, Y), \+ parent(Y, _)') == 'false': return [{'id': 'y_need_not_be_parent'}] + # target predicate seems to always be false + if prolog.engine.ask_one(engine_id, 'grandparent(_, _)') == 'false': + return [{'id': 'predicate_always_false'}] + except socket.timeout as ex: pass @@ -131,7 +136,8 @@ def hint(code, aux_code): # sudo mount -o ro /dev/sdaX /mnt # things to discuss with Tim -# * can we make predicate_always_false a ghint? -# with this in mind: how can we supply/know the correct target name and arity? -# * popraviti je potrebno spremni tekst glede na novo lokacijo gumba Namig -# * what's the name of \= token? And what of =\= token? +# 1o can we make predicate_always_false a ghint? +# with this in mind: how can we supply/know the correct target name and arity? +# 2x popraviti je potrebno spremni tekst glede na novo lokacijo gumba Namig +# 3 what's the name of \= token? And what of =\= token? +# 4 final hint! This very much improves the user experience, adds knowledge, therefore needs to be implemented now! |