Boost C++ Libraries

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This is an older version of Boost and was released in 2014. The current version is 1.89.0.

Struct template convertible_to

Struct template convertible_to

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

Synopsis

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

template<typename T> 
struct convertible_to {
};

Description

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.