618   template <typename MatcherTuple, typename ValueTuple>
620                       const ValueTuple& value_tuple) {  in Matches()
630   template <typename MatcherTuple, typename ValueTuple>
632                                      const ValueTuple& values,  in ExplainMatchFailuresTo()
644     typedef typename tuple_element<N - 1, ValueTuple>::type Value;  in ExplainMatchFailuresTo()
669   template <typename MatcherTuple, typename ValueTuple>
671                       const ValueTuple& /* value_tuple */) {  in Matches()  argument
675   template <typename MatcherTuple, typename ValueTuple>
677                                      const ValueTuple& /* values */,  in ExplainMatchFailuresTo()  argument
686 template <typename MatcherTuple, typename ValueTuple>
688                   const ValueTuple& value_tuple) {  in TupleMatches()
693                         tuple_size<ValueTuple>::value,  in TupleMatches()
695   return TuplePrefix<tuple_size<ValueTuple>::value>::  in TupleMatches()
701 template <typename MatcherTuple, typename ValueTuple>
703                                 const ValueTuple& values,  in ExplainMatchFailureTupleTo()