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Switch rank structs to be consistent with written guidance in go/ranked-overloads

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PiperOrigin-RevId: 605110251
Change-Id: I304f3863333cb9ef0b85c5bab5277e757ef9950a
This commit is contained in:
Matt Kulukundis 2024-02-07 15:05:25 -08:00 committed by Copybara-Service
parent 96519a4019
commit b75ecf1bed
1 changed files with 12 additions and 11 deletions
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23
googlemock/include/gmock/gmock-matchers.h
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@ -2920,26 +2920,27 @@ class EachMatcher {
const M inner_matcher_; const M inner_matcher_;
}; };
struct Rank1 {}; // Use go/ranked-overloads for dispatching.
struct Rank0 : Rank1 {}; struct Rank0 {};
struct Rank1 : Rank0 {};
namespace pair_getters { namespace pair_getters {
using std::get; using std::get;
template <typename T> template <typename T>
auto First(T& x, Rank1) -> decltype(get<0>(x)) { // NOLINT auto First(T& x, Rank0) -> decltype(get<0>(x)) { // NOLINT
return get<0>(x); return get<0>(x);
} }
template <typename T> template <typename T>
auto First(T& x, Rank0) -> decltype((x.first)) { // NOLINT auto First(T& x, Rank1) -> decltype((x.first)) { // NOLINT
return x.first; return x.first;
} }
template <typename T> template <typename T>
auto Second(T& x, Rank1) -> decltype(get<1>(x)) { // NOLINT auto Second(T& x, Rank0) -> decltype(get<1>(x)) { // NOLINT
return get<1>(x); return get<1>(x);
} }
template <typename T> template <typename T>
auto Second(T& x, Rank0) -> decltype((x.second)) { // NOLINT auto Second(T& x, Rank1) -> decltype((x.second)) { // NOLINT
return x.second; return x.second;
} }
} // namespace pair_getters } // namespace pair_getters
@ -2965,7 +2966,7 @@ class KeyMatcherImpl : public MatcherInterface<PairType> {
MatchResultListener* listener) const override { MatchResultListener* listener) const override {
StringMatchResultListener inner_listener; StringMatchResultListener inner_listener;
const bool match = inner_matcher_.MatchAndExplain( const bool match = inner_matcher_.MatchAndExplain(
pair_getters::First(key_value, Rank0()), &inner_listener); pair_getters::First(key_value, Rank1()), &inner_listener);
const std::string explanation = inner_listener.str(); const std::string explanation = inner_listener.str();
if (!explanation.empty()) { if (!explanation.empty()) {
*listener << "whose first field is a value " << explanation; *listener << "whose first field is a value " << explanation;
@ -3087,18 +3088,18 @@ class PairMatcherImpl : public MatcherInterface<PairType> {
if (!listener->IsInterested()) { if (!listener->IsInterested()) {
// If the listener is not interested, we don't need to construct the // If the listener is not interested, we don't need to construct the
// explanation. // explanation.
return first_matcher_.Matches(pair_getters::First(a_pair, Rank0())) && return first_matcher_.Matches(pair_getters::First(a_pair, Rank1())) &&
second_matcher_.Matches(pair_getters::Second(a_pair, Rank0())); second_matcher_.Matches(pair_getters::Second(a_pair, Rank1()));
} }
StringMatchResultListener first_inner_listener; StringMatchResultListener first_inner_listener;
if (!first_matcher_.MatchAndExplain(pair_getters::First(a_pair, Rank0()), if (!first_matcher_.MatchAndExplain(pair_getters::First(a_pair, Rank1()),
&first_inner_listener)) { &first_inner_listener)) {
*listener << "whose first field does not match"; *listener << "whose first field does not match";
PrintIfNotEmpty(first_inner_listener.str(), listener->stream()); PrintIfNotEmpty(first_inner_listener.str(), listener->stream());
return false; return false;
} }
StringMatchResultListener second_inner_listener; StringMatchResultListener second_inner_listener;
if (!second_matcher_.MatchAndExplain(pair_getters::Second(a_pair, Rank0()), if (!second_matcher_.MatchAndExplain(pair_getters::Second(a_pair, Rank1()),
&second_inner_listener)) { &second_inner_listener)) {
*listener << "whose second field does not match"; *listener << "whose second field does not match";
PrintIfNotEmpty(second_inner_listener.str(), listener->stream()); PrintIfNotEmpty(second_inner_listener.str(), listener->stream());