Method operator<

src/fl/stl/list.h:647–658

    }

    bool operator<(const list& other) const {
        for (const_iterator it1 = begin(), it2 = other.begin();
             it1 != end() && it2 != other.end(); ++it1, ++it2) {
            if (*it1 < *it2) {
                return true;
            }
            if (*it1 > *it2) {
                return false;
            }
        }
        return mSize < other.mSize;
    }

    bool operator<=(const list& other) const {
        return *this < other || *this == other;