Method insert_at

CoreLib/Base/BaseArray.h:762–770

    }

    void insert_at(size_type index, T const& value)
    {
        se_assert(index <= size_);
        growIfNecessary();

        new (&buf_[size_]) T(buf_[index]);
        buf_[index] = value;
        size_++;
    }

    void remove_at(size_type index)
    {