imits</code>. The standard library includes such
    specializations for all built-in numeric types. Note that this concept is
    distinct from the C++ standard library type traits
    <code class="computeroutput">is_integral</code> and <code class="computeroutput">is_arithmetic</code>. These latter
    fulfill the requirements of the concept Numeric. But there are types which
    fulfill this concept for which <code class="computeroutput">is_arithmetic&lt;T&gt;::value ==
    false</code>. For example see 