diff options
| -rw-r--r-- | absl/types/internal/span.h | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/absl/types/internal/span.h b/absl/types/internal/span.h index d653bb2c..344ad4db 100644 --- a/absl/types/internal/span.h +++ b/absl/types/internal/span.h @@ -99,28 +99,9 @@ bool LessThanImpl(SpanT<T> a, SpanT<T> b) { return std::lexicographical_compare(a.begin(), a.end(), b.begin(), b.end()); } -// The `IsConvertible` classes here are needed because of the -// `std::is_convertible` bug in libcxx when compiled with GCC. This build -// configuration is used by Android NDK toolchain. Reference link: -// https://bugs.llvm.org/show_bug.cgi?id=27538. -template <typename From, typename To> -struct IsConvertibleHelper { - private: - static std::true_type testval(To); - static std::false_type testval(...); - - public: - using type = decltype(testval(std::declval<From>())); -}; - -template <typename From, typename To> -struct IsConvertible : IsConvertibleHelper<From, To>::type {}; - -// TODO(zhangxy): replace `IsConvertible` with `std::is_convertible` once the -// older version of libcxx is not supported. template <typename From, typename To> using EnableIfConvertibleTo = - typename std::enable_if<IsConvertible<From, To>::value>::type; + typename std::enable_if<std::is_convertible<From, To>::value>::type; // IsView is true for types where the return type of .data() is the same for // mutable and const instances. This isn't foolproof, but it's only used to |