Function py_cmp

scripts/test_stringzilla.py:1177–1178

(a: str, b: str)

    # Before testing sorting, validate pairwise comparator consistency
    def py_cmp(a: str, b: str) -> int:
        return -1 if a < b else (1 if a > b else 0)

    def sz_cmp(a: str, b: str) -> int:
        sa, sb = Str(a), Str(b)