Method isNull

3rdparty/diff-match-patch/diff_match_patch.cpp:101–107

}

bool Patch::isNull() const {
    if (start1 == 0 && start2 == 0 && length1 == 0 && length2 == 0
        && diffs.size() == 0) {
        return true;
    }
    return false;
}


/**