>CharType</span><span class="special">,</span> <span class="identifier">IntputIterator</span><span class="special">&gt;</span></code>. Thus it is a facet that parses strings
        that represent numbers. The first template argument is the character type
        of the strings, usually <code class="computeroutput"><span class="keyword">char</span></code>
        or <code class="computeroutput"><span class="keyword">wchar_t</span></code>. The second template
        argument is the type of iterator used to 