Function assign

src/fl/stl/vector.h:232–237

    }

    void assign(const_iterator begin, const_iterator end) FL_NOEXCEPT {
        clear();
        for (const_iterator it = begin; it != end; ++it) {
            push_back(*it);
        }
    }

    // Remove the last element from the vector
    void pop_back() FL_NOEXCEPT {