My statement: T::iterator it = std::find_if(container.begin(), container.end(), l::bind(&typename T::value_type::GetName, l::_1) != l::constant(0) && !l::bind(stricmp, l::bind(&typename T::value_type::GetName, l::_1), l::var(name))); GetName() returns a char*. I get errors about there being no != or ! for const boost::lambda::lambda_functor<T> I also tried == 0 and == constant(0) for the second part. More detailed error follows: 1>c:\documents and settings\nroberts\my documents\visual studio 2005\projects\pipeflo refactor\code\clist_util.h(60) : error C2678: binary '!=' : no operator found which takes a left-hand operand of type 'const boost::lambda::lambda_functor<T>' (or there is no acceptable conversion) 1> with 1> [ 1> T=boost::lambda::lambda_functor_base<boost::lambda::action<2,boost::lambda::function_action<2>>,boost::tuples::tuple<char *(__thiscall NamedObject::* const )(void),const boost::lambda::lambda_functor<boost::lambda::placeholder<1>>,boost::lambda::detail::bind_traits<boost::tuples::null_type>::type,boost::lambda::detail::bind_traits<boost::tuples::null_type>::type,boost::lambda::detail::bind_traits<boost::tuples::null_type>::type,boost::lambda::detail::bind_traits<boost::tuples::null_type>::type,boost::lambda::detail::bind_traits<boost::tuples::null_type>::type,boost::lambda::detail::bind_traits<boost::tuples::null_type>::type,boost::lambda::detail::bind_traits<boost::tuples::null_type>::type,boost::lambda::detail::bind_traits<boost::tuples::null_type>::type>> 1> ] 1> c:\program files\microsoft visual studio 8\vc\platformsdk\include\guiddef.h(197): could be 'int operator !=(const GUID &,const GUID &)' 1> while trying to match the argument list '(const boost::lambda::lambda_functor<T>, boost::lambda::lambda_functor<T>)' 1> with 1> [ 1> T=boost::lambda::lambda_functor_base<boost::lambda::action<2,boost::lambda::function_action<2>>,boost::tuples::tuple<char *(__thiscall NamedObject::* const )(void),const boost::lambda::lambda_functor<boost::lambda::placeholder<1>>,boost::lambda::detail::bind_traits<boost::tuples::null_type>::type,boost::lambda::detail::bind_traits<boost::tuples::null_type>::type,boost::lambda::detail::bind_traits<boost::tuples::null_type>::type,boost::lambda::detail::bind_traits<boost::tuples::null_type>::type,boost::lambda::detail::bind_traits<boost::tuples::null_type>::type,boost::lambda::detail::bind_traits<boost::tuples::null_type>::type,boost::lambda::detail::bind_traits<boost::tuples::null_type>::type,boost::lambda::detail::bind_traits<boost::tuples::null_type>::type>> 1> ] 1> and 1> [ 1> T=boost::lambda::identity<const int> 1> ] 1> c:\documents and settings\nroberts\my documents\visual studio 2005\projects\pipeflo refactor\code\clist.h(358) : see reference to function template instantiation 'bool NameInUse<CList_tmpl<VALUE_TYPE>>(T &,const char *,DLinkObject *,HWND)' being compiled 1> with 1> [ 1> VALUE_TYPE=DLinkObject, 1> T=CList_tmpl<DLinkObject> 1> ] 1> c:\documents and settings\nroberts\my documents\visual studio 2005\projects\pipeflo refactor\code\clist.h(357) : while compiling class template member function 'bool CList_tmpl<VALUE_TYPE>::NameInUse(char *,VALUE_TYPE *,HWND)' 1> with 1> [ 1> VALUE_TYPE=DLinkObject 1> ] 1> c:\documents and settings\nroberts\my documents\visual studio 2005\projects\pipeflo refactor\code\lineupchangeable.h(13) : see reference to class template instantiation 'CList_tmpl<VALUE_TYPE>' being compiled 1> with 1> [ 1> VALUE_TYPE=DLinkObject 1> ]