#else
-FOLLY_NAMESPACE_STD_BEGIN
+namespace std {
#if _LIBCPP_VERSION < 4000
-[[noreturn]] void __throw_length_error(char const* msg); // @nolint
+[[noreturn]] void __throw_length_error(char const* msg);
[[noreturn]] void __throw_logic_error(char const* msg);
[[noreturn]] void __throw_out_of_range(char const* msg);
#endif
#if _CPPLIB_VER // msvc c++ std lib
[[noreturn]] void __throw_bad_alloc();
#endif
-
-FOLLY_NAMESPACE_STD_END
+}
#endif