typename Alloc&gt;
    explicit <a href=
"#cons3">dynamic_bitset</a>(const std::basic_string&lt;CharT, Traits, Alloc&gt;&amp; s,
        typename std::basic_string&lt;CharT, Traits, Alloc&gt;::size_type pos = 0,
        typename std::basic_string&lt;CharT, Traits, Alloc&gt;::size_type n = std::basic_string&lt;CharT, Traits, Alloc&gt;::npos,
        const Allocator&amp; alloc = Allocator());

    template &lt;typename BlockInputIterator&gt;
    <a href=
"#cons4">dynamic_bitset</a>(BlockInputIterator first, B