>base_from_member</span></code>.)
    </p>
<p>
      On earlier-standard compilers, there is a default constructor and several constructor
      member templates. These constructor templates can take as many arguments (currently
      up to ten) as possible and pass them to a constructor of the data member.
    </p>
<p>
      A specialization for member references offers a single constructor taking a
      <code class="computeroutput"><span class="identifier">MemberType</span><span class="special">&amp;</sp