remove a custom implementation of std::enable_if
diff --git a/googletest/include/gtest/gtest-matchers.h b/googletest/include/gtest/gtest-matchers.h
index 7711178..5eb0a4e 100644
--- a/googletest/include/gtest/gtest-matchers.h
+++ b/googletest/include/gtest/gtest-matchers.h
@@ -42,6 +42,7 @@
#include <memory>
#include <ostream>
#include <string>
+#include <type_traits>
#include "gtest/gtest-printers.h"
#include "gtest/internal/gtest-internal.h"
@@ -299,8 +300,8 @@
template <typename U>
explicit MatcherBase(
const MatcherInterface<U>* impl,
- typename internal::EnableIf<
- !internal::IsSame<U, const U&>::value>::type* = nullptr)
+ typename std::enable_if<!internal::IsSame<U, const U&>::value>::type* =
+ nullptr)
: impl_(new internal::MatcherInterfaceAdapter<U>(impl)) {}
MatcherBase(const MatcherBase&) = default;
@@ -333,9 +334,10 @@
: internal::MatcherBase<T>(impl) {}
template <typename U>
- explicit Matcher(const MatcherInterface<U>* impl,
- typename internal::EnableIf<
- !internal::IsSame<U, const U&>::value>::type* = nullptr)
+ explicit Matcher(
+ const MatcherInterface<U>* impl,
+ typename std::enable_if<!internal::IsSame<U, const U&>::value>::type* =
+ nullptr)
: internal::MatcherBase<T>(impl) {}
// Implicit constructor here allows people to write
diff --git a/googletest/include/gtest/gtest.h b/googletest/include/gtest/gtest.h
index db81359..dfe7c78 100644
--- a/googletest/include/gtest/gtest.h
+++ b/googletest/include/gtest/gtest.h
@@ -292,7 +292,7 @@
template <typename T>
explicit AssertionResult(
const T& success,
- typename internal::EnableIf<
+ typename std::enable_if<
!std::is_convertible<T, AssertionResult>::value>::type*
/*enabler*/
= nullptr)
diff --git a/googletest/include/gtest/internal/gtest-internal.h b/googletest/include/gtest/internal/gtest-internal.h
index 08531d8..8b05062 100644
--- a/googletest/include/gtest/internal/gtest-internal.h
+++ b/googletest/include/gtest/internal/gtest-internal.h
@@ -991,13 +991,6 @@
template <typename C>
struct IsRecursiveContainer : public IsRecursiveContainerImpl<C>::type {};
-// EnableIf<condition>::type is void when 'Cond' is true, and
-// undefined when 'Cond' is false. To use SFINAE to make a function
-// overload only apply when a particular expression is true, add
-// "typename EnableIf<expression>::type* = 0" as the last parameter.
-template<bool> struct EnableIf;
-template<> struct EnableIf<true> { typedef void type; }; // NOLINT
-
// Utilities for native arrays.
// ArrayEq() compares two k-dimensional native arrays using the
