731   template <typename MatcherTuple, typename ValueTuple>
733                       const ValueTuple& value_tuple) {  in Matches()
742   template <typename MatcherTuple, typename ValueTuple>
744                                      const ValueTuple& values,  in ExplainMatchFailuresTo()
753     typedef typename tuple_element<N - 1, ValueTuple>::type Value;  in ExplainMatchFailuresTo()
778   template <typename MatcherTuple, typename ValueTuple>
780                       const ValueTuple& /* value_tuple */) {  in Matches()  argument
784   template <typename MatcherTuple, typename ValueTuple>
786                                      const ValueTuple& /* values */,  in ExplainMatchFailuresTo()  argument
795 template <typename MatcherTuple, typename ValueTuple>
797                   const ValueTuple& value_tuple) {  in TupleMatches()
801                         tuple_size<ValueTuple>::value,  in TupleMatches()
803   return TuplePrefix<tuple_size<ValueTuple>::value>::  in TupleMatches()
809 template <typename MatcherTuple, typename ValueTuple>
811                                 const ValueTuple& values,  in ExplainMatchFailureTupleTo()