Function isSpan

src/backend/common/dim4.cpp:111–113

bool hasEnd(const af_seq& seq) { return (seq.begin <= -1 || seq.end <= -1); }

bool isSpan(const af_seq& seq) {
    return (seq.step == 0 && seq.begin == 1 && seq.end == 1);
}

size_t seqElements(const af_seq& seq) {
    size_t out = 0;