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Struct template result<This(Ref &)>

boost::xpressive::op::unwrap_reference::result<This(Ref &)>


// In header: <boost/xpressive/regex_actions.hpp>

template<typename This, typename Ref> 
struct result<This(Ref &)> {
  // types
  typedef boost::unwrap_reference< Ref >::type & type;