diff options
| -rw-r--r-- | common/almalloc.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/common/almalloc.h b/common/almalloc.h index b5821784..270cd76c 100644 --- a/common/almalloc.h +++ b/common/almalloc.h @@ -113,10 +113,14 @@ namespace detail_ { using void_t = void; template<typename T, typename = void> - constexpr bool has_to_address = false; + struct has_to_address_ : public std::false_type { }; template<typename T> - constexpr bool has_to_address<T, - void_t<decltype(std::pointer_traits<T>::to_address(std::declval<const T&>()))>> = true; + struct has_to_address_<T, + void_t<decltype(std::pointer_traits<T>::to_address(std::declval<const T&>()))>> + : public std::true_type + { }; + template<typename T> + constexpr bool has_to_address = has_to_address_<T>::value; } // namespace detail_ template<typename T> |