On 03/27/2011 06:48 AM, Lorenzo Caminiti wrote:
On Sat, Mar 26, 2011 at 8:05 PM, Michael Caisse <boost@objectmodelingdesigns.com> wrote:
On 03/26/2011 04:46 PM, Steven Watanabe wrote:
AMDG
On 03/26/2011 04:27 PM, Michael Caisse wrote:
#include<boost/phoenix/phoenix.hpp> #include<boost/phoenix/statement.hpp> #include<iostream> #include<vector> #include<algorithm>
int main() { double sum = 0.0; int factor = 10;
using namespace boost::phoenix; using namespace boost::phoenix::placeholders;
std::vector<double> v(3); v[0] = 1.0; v[1] = 2.0; v[2] = 3.0; std::for_each(v.begin(), v.end(), ( ref(sum) += factor * _1, std::cout<< "Summed: "<< ref(sum)<< "\n" ) ); return 0; }
std::cout<< val("Summed: ")<< ref(sum)<< "\n"
I tried this but it didn't work... why?
Because you didn't try what was pasted above (o; I think it is great that you are putting together an Alternative section.
#include<boost/spirit/include/qi.hpp> #include<boost/spirit/include/phoenix_core.hpp> #include<boost/spirit/include/phoenix_operator.hpp> #include<iostream> #include<vector> #include<algorithm>
int main() { double sum = 0.0; int factor = 10;
std::vector<double> v(3); v[0] = 1.0; v[1] = 2.0; v[2] = 3.0;
std::for_each(v.begin(), v.end(), ( boost::phoenix::ref(sum) += factor * boost::spirit::qi::_1, std::cout<< boost::phoenix::val("Summed: ")<< boost::phoenix::ref(sum)<< "\n" ));
std::cout<< sum<< std::endl; return 0; }
-- Michael Caisse Object Modeling Designs www.objectmodelingdesigns.com