618   template <typename MatcherTuple, typename ValueTuple>
620                       const ValueTuple& value_tuple) {  in Matches()
629   template <typename MatcherTuple, typename ValueTuple>
631                                      const ValueTuple& values,  in ExplainMatchFailuresTo()
640     typedef typename std::tuple_element<N - 1, ValueTuple>::type Value;  in ExplainMatchFailuresTo()
663   template <typename MatcherTuple, typename ValueTuple>
665                       const ValueTuple& /* value_tuple */) {  in Matches()  argument
669   template <typename MatcherTuple, typename ValueTuple>
671                                      const ValueTuple& /* values */,  in ExplainMatchFailuresTo()  argument
680 template <typename MatcherTuple, typename ValueTuple>
682                   const ValueTuple& value_tuple) {  in TupleMatches()
686                     std::tuple_size<ValueTuple>::value,  in TupleMatches()
688   return TuplePrefix<std::tuple_size<ValueTuple>::value>::Matches(matcher_tuple,  in TupleMatches()
694 template <typename MatcherTuple, typename ValueTuple>
696                                 const ValueTuple& values, ::std::ostream* os) {  in ExplainMatchFailureTupleTo()