def check_state(self, state: State) -> bool:
"""Check that a state satisfies the constraints."""
fail = Proposition("fail", [])
constraints = state.all_applicable_actions(self.constraints)
for constraint in constraints:
copy = state.apply_on_copy(constraint)
if copy and copy.is_fact(fail):
return False
return True
def check_state(self, state: State) -> bool:
"""Check that a state satisfies the constraints."""
fail = Proposition("fail", [])
constraints = state.all_applicable_actions(self.constraints)
for constraint in constraints:
if state.is_applicable(constraint):
# Optimistically delay copying the state
copy = state.copy()
copy.apply(constraint)
if copy.is_fact(fail):
return False
return True