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Struct template convertible_to

boost::proto::convertible_to — For matching terminals that are convertible to a type.


// In header: <boost/proto/matches.hpp>

template<typename T> 
struct convertible_to {


Use proto::convertible_to<> to match a terminal that is convertible to some type. For example, the grammar proto::terminal<proto::convertible_to<int> > will match any terminal whose argument is convertible to an integer.