Merge pull request #2400 from kuzkry:custom-type-traits-enable_if

PiperOrigin-RevId: 264693952
This commit is contained in:
Xiaoyi Zhang 2019-08-23 16:38:46 -04:00
commit 9bf34ace71
3 changed files with 3 additions and 10 deletions

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@ -300,7 +300,7 @@ class MatcherBase {
template <typename U>
explicit MatcherBase(
const MatcherInterface<U>* impl,
typename internal::EnableIf<!std::is_same<U, const U&>::value>::type* =
typename std::enable_if<!std::is_same<U, const U&>::value>::type* =
nullptr)
: impl_(new internal::MatcherInterfaceAdapter<U>(impl)) {}
@ -336,7 +336,7 @@ class Matcher : public internal::MatcherBase<T> {
template <typename U>
explicit Matcher(
const MatcherInterface<U>* impl,
typename internal::EnableIf<!std::is_same<U, const U&>::value>::type* =
typename std::enable_if<!std::is_same<U, const U&>::value>::type* =
nullptr)
: internal::MatcherBase<T>(impl) {}

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@ -292,7 +292,7 @@ class GTEST_API_ AssertionResult {
template <typename T>
explicit AssertionResult(
const T& success,
typename internal::EnableIf<
typename std::enable_if<
!std::is_convertible<T, AssertionResult>::value>::type*
/*enabler*/
= nullptr)

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@ -970,13 +970,6 @@ struct IsRecursiveContainerImpl<C, true> {
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