Googletest export

Merge b8ca465e73ac0954a0c9eec2a84bdd8913d5763b into 90a443f9c2437ca8a682a1ac625eba64e1d74a8a

Closes #2396

COPYBARA_INTEGRATE_REVIEW=https://github.com/google/googletest/pull/2396 from kuzkry:custom-type-traits-true/false_type-and-bool_constant b8ca465e73ac0954a0c9eec2a84bdd8913d5763b
PiperOrigin-RevId: 265064856

1 files changed, 13 insertions, 17 deletions

diff --git a/googlemock/include/gmock/gmock-matchers.h b/googlemock/include/gmock/gmock-matchers.h
index 5fe38205..b1c0dc04 100644
--- a/googlemock/include/gmock/gmock-matchers.h
+++ b/googlemock/include/gmock/gmock-matchers.h
@@ -132,19 +132,16 @@ class MatcherCastImpl {
     // polymorphic_matcher_or_value to Matcher<T> because it won't trigger
     // a user-defined conversion from M to T if one exists (assuming M is
     // a value).
-    return CastImpl(
-        polymorphic_matcher_or_value,
-        BooleanConstant<
-            std::is_convertible<M, Matcher<T> >::value>(),
-        BooleanConstant<
-            std::is_convertible<M, T>::value>());
+    return CastImpl(polymorphic_matcher_or_value,
+                    bool_constant<std::is_convertible<M, Matcher<T>>::value>(),
+                    bool_constant<std::is_convertible<M, T>::value>());
   }
 
  private:
   template <bool Ignore>
   static Matcher<T> CastImpl(const M& polymorphic_matcher_or_value,
-                             BooleanConstant<true> /* convertible_to_matcher */,
-                             BooleanConstant<Ignore>) {
+                             bool_constant<true> /* convertible_to_matcher */,
+                             bool_constant<Ignore>) {
     // M is implicitly convertible to Matcher<T>, which means that either
     // M is a polymorphic matcher or Matcher<T> has an implicit constructor
     // from M.  In both cases using the implicit conversion will produce a
@@ -159,9 +156,9 @@ class MatcherCastImpl {
   // M can't be implicitly converted to Matcher<T>, so M isn't a polymorphic
   // matcher. It's a value of a type implicitly convertible to T. Use direct
   // initialization to create a matcher.
-  static Matcher<T> CastImpl(
-      const M& value, BooleanConstant<false> /* convertible_to_matcher */,
-      BooleanConstant<true> /* convertible_to_T */) {
+  static Matcher<T> CastImpl(const M& value,
+                             bool_constant<false> /* convertible_to_matcher */,
+                             bool_constant<true> /* convertible_to_T */) {
     return Matcher<T>(ImplicitCast_<T>(value));
   }
 
@@ -175,9 +172,9 @@ class MatcherCastImpl {
   // (e.g. std::pair<const int, int> vs. std::pair<int, int>).
   //
   // We don't define this method inline as we need the declaration of Eq().
-  static Matcher<T> CastImpl(
-      const M& value, BooleanConstant<false> /* convertible_to_matcher */,
-      BooleanConstant<false> /* convertible_to_T */);
+  static Matcher<T> CastImpl(const M& value,
+                             bool_constant<false> /* convertible_to_matcher */,
+                             bool_constant<false> /* convertible_to_T */);
 };
 
 // This more specialized version is used when MatcherCast()'s argument
@@ -3603,9 +3600,8 @@ inline Matcher<T> An() { return A<T>(); }
 
 template <typename T, typename M>
 Matcher<T> internal::MatcherCastImpl<T, M>::CastImpl(
-    const M& value,
-    internal::BooleanConstant<false> /* convertible_to_matcher */,
-    internal::BooleanConstant<false> /* convertible_to_T */) {
+    const M& value, internal::bool_constant<false> /* convertible_to_matcher */,
+    internal::bool_constant<false> /* convertible_to_T */) {
   return Eq(value);
 }