Boost C++ Libraries: Ticket #1450: VC++ 2008 not fooled by null_type https://svn.boost.org/trac10/ticket/1450 <p> resulting in errors like </p> <pre class="wiki">Test output: jrp-msvc9.0 - python - defaults / msvc-9.0 Rev 41111 / Thu, 15 Nov 2007 18:20:31 +0000 Report Time: Fri, 16 Nov 2007 01:59:13 +0000 Compile [2007-11-15 23:36:33 UTC]: fail call "C:\Program Files\Microsoft Visual Studio 9.0\VC\vcvarsall.bat" x86 &gt;nul cl /Zm800 -nologo @"C:\temp\regression-run\results\boost\bin.v2\libs\python\test\defaults.test\msvc-9.0\debug\threading-multi\defaults.obj.rsp" defaults.cpp ..\libs\python\test\defaults.cpp(133) : error C2668: 'boost::python::make_tuple' : ambiguous call to overloaded function C:\temp\regression-run\boost\boost/python/detail/make_tuple.hpp(22): could be 'boost::python::tuple boost::python::make_tuple&lt;boost::python::list,boost::python::list,int&gt;(const A0 &amp;,const A1 &amp;,const A2 &amp;)' with [ A0=boost::python::list, A1=boost::python::list, A2=int ] C:\temp\regression-run\boost\boost/tuple/detail/tuple_basic.hpp(800): or 'boost::tuples::tuple&lt;T0,T1,T2,T3,T4,T5,T6,T7,T8,T9&gt; boost::tuples::make_tuple&lt;boost::python::list,boost::python::list,int&gt;(const T0 &amp;,const T1 &amp;,const T2 &amp;)' [found using argument-dependent lookup] with [ T0=boost::python::list, T1=boost::python::list, T2=int, T3=boost::tuples::null_type, T4=boost::tuples::null_type, T5=boost::tuples::null_type, T6=boost::tuples::null_type, T7=boost::tuples::null_type, T8=boost::tuples::null_type, T9=boost::tuples::null_type ] while trying to match the argument list '(boost::python::list, boost::python::list, int)' </pre> en-us Boost C++ Libraries /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/1450 Trac 1.4.3 Joel de Guzman Sat, 17 Nov 2007 01:52:29 GMT status changed; resolution set https://svn.boost.org/trac10/ticket/1450#comment:1 https://svn.boost.org/trac10/ticket/1450#comment:1 <ul> <li><strong>status</strong> <span class="trac-field-old">new</span> → <span class="trac-field-new">closed</span> </li> <li><strong>resolution</strong> → <span class="trac-field-new">fixed</span> </li> </ul> Ticket