+ compilers, in supporting the latest C++11 standard, normally support
        variadic macros. Even before the latest C++11 standard a number of C++ compilers
        already supported variadic macros. If you feel your compiler supports variadic
        macros and BOOST_PP_VARIADIC is 0 even after including <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">tti</span><span class="special">/</span><span class="identifier">has_template</sp