//----------------------------------------------------------------------------- // boost mpl/test/for_each.cpp source file // See http://www.boost.org for updates, documentation, and revision history. //----------------------------------------------------------------------------- // // Copyright (c) 2000-02 // Aleksey Gurtovoy // // Permission to use, copy, modify, distribute and sell this software // and its documentation for any purpose is hereby granted without fee, // provided that the above copyright notice appears in all copies and // that both the copyright notice and this permission notice appear in // supporting documentation. No representations are made about the // suitability of this software for any purpose. It is provided "as is" // without express or implied warranty. #include "boost/mpl/for_each.hpp" #include "boost/mpl/list.hpp" #include "boost/mpl/range_c.hpp" #include "boost/mpl/identity.hpp" #include "boost/mpl/lambda.hpp" #include "boost/bind.hpp" #include #include #include #include #include namespace mpl = boost::mpl; using mpl::_; struct type_printer { type_printer(std::ostream& s) : f_stream(&s) {} template< typename U > void operator()(mpl::identity) { *f_stream << typeid(U).name() << '\n'; } private: std::ostream* f_stream; }; struct value_printer { value_printer(std::ostream& s) : f_stream(&s) {} template< typename U > void operator()(U x) { *f_stream << x << '\n'; } private: std::ostream* f_stream; }; #ifdef __ICL # pragma warning(disable:985) #endif int main() { typedef mpl::list types; mpl::for_each< types,mpl::make_identity<_> >(type_printer(std::cout)); typedef mpl::range_c numbers; std::vector v; #if !defined(__BORLANDC__) && (__BORLANDC__ >= 0x561 && !defined(BOOST_STRICT_CONFIG)) mpl::for_each( boost::bind(&std::vector::push_back, &v, _1) ); #else void (std::vector::* push_back)(int const&) = &std::vector::push_back; mpl::for_each( boost::bind(push_back, &v, _1) ); #endif mpl::for_each< numbers >(value_printer(std::cout)); for (int i = 0; i < v.size(); ++i) assert(v[i] == i); return 0; }