Fix compilation with clang 4.0 in -std=c++1z mode

This commit is contained in:
Dean Moldovan 2017-03-22 22:02:13 +01:00
parent 62e5fef09e
commit f0e58a69d3
1 changed files with 0 additions and 4 deletions

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@ -427,12 +427,8 @@ template<size_t N> using make_index_sequence = typename make_index_sequence_impl
template <bool B> using bool_constant = std::integral_constant<bool, B>;
template <typename T> struct negation : bool_constant<!T::value> { };
#ifdef __cpp_lib_void_t
using std::void_t;
#else
template <typename...> struct void_t_impl { using type = void; };
template <typename... Ts> using void_t = typename void_t_impl<Ts...>::type;
#endif
/// Compile-time all/any/none of that check the boolean value of all template types
#ifdef __cpp_fold_expressions