hos.py 文件源码

def csg_check(self, li, writer):
        m = writer(self._m)
        r = uncurry(writer(self._r))
        old_value = None
        mapped = map(m, li)
        if self._flattened:
            mapped = flatten(mapped)
        for permuted in itertools.permutations(mapped):
            if self._keyed:
                reduced = []
                for k, v in collect(permuted):
                    reduced.append( (k, reduce(r, v)) )
            else:
                reduced = reduce(r, permuted)
            if isinstance(reduced, list):
                return sorted(reduced)
            if old_value and (reduced != old_value):
                return False
            else:
                old_value = reduced
        return True