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‎deps/googletest/include/gtest/gtest-assertion-result.h‎
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‎deps/googletest/include/gtest/gtest-assertion-result.h‎
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‎deps/googletest/include/gtest/gtest-death-test.h‎
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‎deps/googletest/include/gtest/gtest-death-test.h‎
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‎deps/googletest/include/gtest/gtest-matchers.h‎
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‎deps/googletest/include/gtest/gtest-matchers.h‎
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+26-23Lines changed: 26 additions & 23 deletions
@@ -137,7 +137,7 @@ namespace testing {
 class [[nodiscard]] AssertionResult;
 #endif  // !SWIG
 
-class GTEST_API_ AssertionResult {
+class GTEST_API_ [[nodiscard]] AssertionResult {
  public:
   // Copy constructor.
   // Used in EXPECT_TRUE/FALSE(assertion_result).
 
@@ -192,7 +192,7 @@ GTEST_API_ bool InDeathTestChild();
 // Two predicate classes that can be used in {ASSERT,EXPECT}_EXIT*:
 
 // Tests that an exit code describes a normal exit with a given exit code.
-class GTEST_API_ ExitedWithCode {
+class GTEST_API_ [[nodiscard]] ExitedWithCode {
  public:
   explicit ExitedWithCode(int exit_code);
   ExitedWithCode(const ExitedWithCode&) = default;
@@ -206,7 +206,7 @@ class GTEST_API_ ExitedWithCode {
 #if !defined(GTEST_OS_WINDOWS) && !defined(GTEST_OS_FUCHSIA)
 // Tests that an exit code describes an exit due to termination by a
 // given signal.
-class GTEST_API_ KilledBySignal {
+class GTEST_API_ [[nodiscard]] KilledBySignal {
  public:
   explicit KilledBySignal(int signum);
   bool operator()(int exit_status) const;
@@ -317,7 +317,7 @@ class GTEST_API_ KilledBySignal {
     GTEST_LOG_(WARNING) << "Death tests are not supported on this platform.\n" \
                         << "Statement '" #statement "' cannot be verified.";   \
   } else if (::testing::internal::AlwaysFalse()) {                             \
-    ::testing::internal::MakeDeathTestMatcher(regex_or_matcher);               \
+    (void)::testing::internal::MakeDeathTestMatcher(regex_or_matcher);         \
     GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement);                 \
     terminator;                                                                \
   } else                                                                       \
 
@@ -75,7 +75,7 @@ namespace testing {
 //   2. a factory function that creates a Matcher<T> object from a
 //      FooMatcherMatcher.
 
-class MatchResultListener {
+class [[nodiscard]] MatchResultListener {
  public:
   // Creates a listener object with the given underlying ostream.  The
   // listener does not own the ostream, and does not dereference it
@@ -111,7 +111,7 @@ inline MatchResultListener::~MatchResultListener() = default;
 
 // An instance of a subclass of this knows how to describe itself as a
 // matcher.
-class GTEST_API_ MatcherDescriberInterface {
+class GTEST_API_ [[nodiscard]] MatcherDescriberInterface {
  public:
   virtual ~MatcherDescriberInterface() = default;
 
@@ -137,7 +137,7 @@ class GTEST_API_ MatcherDescriberInterface {
 
 // The implementation of a matcher.
 template <typename T>
-class MatcherInterface : public MatcherDescriberInterface {
+class [[nodiscard]] MatcherInterface : public MatcherDescriberInterface {
  public:
   // Returns true if and only if the matcher matches x; also explains the
   // match result to 'listener' if necessary (see the next paragraph), in
@@ -180,7 +180,7 @@ class MatcherInterface : public MatcherDescriberInterface {
 namespace internal {
 
 // A match result listener that ignores the explanation.
-class DummyMatchResultListener : public MatchResultListener {
+class [[nodiscard]] DummyMatchResultListener : public MatchResultListener {
  public:
   DummyMatchResultListener() : MatchResultListener(nullptr) {}
 
@@ -192,7 +192,7 @@ class DummyMatchResultListener : public MatchResultListener {
 // A match result listener that forwards the explanation to a given
 // ostream.  The difference between this and MatchResultListener is
 // that the former is concrete.
-class StreamMatchResultListener : public MatchResultListener {
+class [[nodiscard]] StreamMatchResultListener : public MatchResultListener {
  public:
   explicit StreamMatchResultListener(::std::ostream* os)
       : MatchResultListener(os) {}
@@ -225,7 +225,7 @@ struct SharedPayload : SharedPayloadBase {
 // from it.  We put functionalities common to all Matcher<T>
 // specializations here to avoid code duplication.
 template <typename T>
-class MatcherBase : private MatcherDescriberInterface {
+class [[nodiscard]] MatcherBase : private MatcherDescriberInterface {
  public:
   // Returns true if and only if the matcher matches x; also explains the
   // match result to 'listener'.
@@ -460,7 +460,7 @@ class MatcherBase : private MatcherDescriberInterface {
 // implementation of Matcher<T> is just a std::shared_ptr to const
 // MatcherInterface<T>.  Don't inherit from Matcher!
 template <typename T>
-class Matcher : public internal::MatcherBase<T> {
+class [[nodiscard]] Matcher : public internal::MatcherBase<T> {
  public:
   // Constructs a null matcher.  Needed for storing Matcher objects in STL
   // containers.  A default-constructed matcher is not yet initialized.  You
@@ -491,8 +491,8 @@ class Matcher : public internal::MatcherBase<T> {
 // instead of Eq(str) and "foo" instead of Eq("foo") when a std::string
 // matcher is expected.
 template <>
-class GTEST_API_ Matcher<const std::string&>
-    : public internal::MatcherBase<const std::string&> {
+class GTEST_API_ [[nodiscard]]
+Matcher<const std::string&> : public internal::MatcherBase<const std::string&> {
  public:
   Matcher() = default;
 
@@ -513,8 +513,8 @@ class GTEST_API_ Matcher<const std::string&>
 };
 
 template <>
-class GTEST_API_ Matcher<std::string>
-    : public internal::MatcherBase<std::string> {
+class GTEST_API_ [[nodiscard]]
+Matcher<std::string> : public internal::MatcherBase<std::string> {
  public:
   Matcher() = default;
 
@@ -541,7 +541,7 @@ class GTEST_API_ Matcher<std::string>
 // instead of Eq(str) and "foo" instead of Eq("foo") when a absl::string_view
 // matcher is expected.
 template <>
-class GTEST_API_ Matcher<const internal::StringView&>
+class GTEST_API_ [[nodiscard]] Matcher<const internal::StringView&>
     : public internal::MatcherBase<const internal::StringView&> {
  public:
   Matcher() = default;
@@ -567,7 +567,7 @@ class GTEST_API_ Matcher<const internal::StringView&>
 };
 
 template <>
-class GTEST_API_ Matcher<internal::StringView>
+class GTEST_API_ [[nodiscard]] Matcher<internal::StringView>
     : public internal::MatcherBase<internal::StringView> {
  public:
   Matcher() = default;
@@ -614,7 +614,7 @@ std::ostream& operator<<(std::ostream& os, const Matcher<T>& matcher) {
 //
 // See the definition of NotNull() for a complete example.
 template <class Impl>
-class PolymorphicMatcher {
+class [[nodiscard]] PolymorphicMatcher {
  public:
   explicit PolymorphicMatcher(const Impl& an_impl) : impl_(an_impl) {}
 
@@ -689,7 +689,7 @@ namespace internal {
 // The following template definition assumes that the Rhs parameter is
 // a "bare" type (i.e. neither 'const T' nor 'T&').
 template <typename D, typename Rhs, typename Op>
-class ComparisonBase {
+class [[nodiscard]] ComparisonBase {
  public:
   explicit ComparisonBase(const Rhs& rhs) : rhs_(rhs) {}
 
@@ -722,15 +722,16 @@ class ComparisonBase {
 };
 
 template <typename Rhs>
-class EqMatcher : public ComparisonBase<EqMatcher<Rhs>, Rhs, std::equal_to<>> {
+class [[nodiscard]] EqMatcher
+    : public ComparisonBase<EqMatcher<Rhs>, Rhs, std::equal_to<>> {
  public:
   explicit EqMatcher(const Rhs& rhs)
       : ComparisonBase<EqMatcher<Rhs>, Rhs, std::equal_to<>>(rhs) {}
   static const char* Desc() { return "is equal to"; }
   static const char* NegatedDesc() { return "isn't equal to"; }
 };
 template <typename Rhs>
-class NeMatcher
+class [[nodiscard]] NeMatcher
     : public ComparisonBase<NeMatcher<Rhs>, Rhs, std::not_equal_to<>> {
  public:
   explicit NeMatcher(const Rhs& rhs)
@@ -739,23 +740,25 @@ class NeMatcher
   static const char* NegatedDesc() { return "is equal to"; }
 };
 template <typename Rhs>
-class LtMatcher : public ComparisonBase<LtMatcher<Rhs>, Rhs, std::less<>> {
+class [[nodiscard]] LtMatcher
+    : public ComparisonBase<LtMatcher<Rhs>, Rhs, std::less<>> {
  public:
   explicit LtMatcher(const Rhs& rhs)
       : ComparisonBase<LtMatcher<Rhs>, Rhs, std::less<>>(rhs) {}
   static const char* Desc() { return "is <"; }
   static const char* NegatedDesc() { return "isn't <"; }
 };
 template <typename Rhs>
-class GtMatcher : public ComparisonBase<GtMatcher<Rhs>, Rhs, std::greater<>> {
+class [[nodiscard]] GtMatcher
+    : public ComparisonBase<GtMatcher<Rhs>, Rhs, std::greater<>> {
  public:
   explicit GtMatcher(const Rhs& rhs)
       : ComparisonBase<GtMatcher<Rhs>, Rhs, std::greater<>>(rhs) {}
   static const char* Desc() { return "is >"; }
   static const char* NegatedDesc() { return "isn't >"; }
 };
 template <typename Rhs>
-class LeMatcher
+class [[nodiscard]] LeMatcher
     : public ComparisonBase<LeMatcher<Rhs>, Rhs, std::less_equal<>> {
  public:
   explicit LeMatcher(const Rhs& rhs)
@@ -764,7 +767,7 @@ class LeMatcher
   static const char* NegatedDesc() { return "isn't <="; }
 };
 template <typename Rhs>
-class GeMatcher
+class [[nodiscard]] GeMatcher
     : public ComparisonBase<GeMatcher<Rhs>, Rhs, std::greater_equal<>> {
  public:
   explicit GeMatcher(const Rhs& rhs)
@@ -776,7 +779,7 @@ class GeMatcher
 // Same as `EqMatcher<Rhs>`, except that the `rhs` is stored as `StoredRhs` and
 // must be implicitly convertible to `Rhs`.
 template <typename Rhs, typename StoredRhs>
-class ImplicitCastEqMatcher {
+class [[nodiscard]] ImplicitCastEqMatcher {
  public:
   explicit ImplicitCastEqMatcher(const StoredRhs& rhs) : stored_rhs_(rhs) {}
 
@@ -809,7 +812,7 @@ using StringLike = T;
 // Implements polymorphic matchers MatchesRegex(regex) and
 // ContainsRegex(regex), which can be used as a Matcher<T> as long as
 // T can be converted to a string.
-class MatchesRegexMatcher {
+class [[nodiscard]] MatchesRegexMatcher {
  public:
   MatchesRegexMatcher(const RE* regex, bool full_match)
       : regex_(regex), full_match_(full_match) {}