================
@@ -2596,6 +2596,15 @@ template <typename T> using has_sizeof =
decltype(sizeof(T));
template <typename T>
constexpr bool is_incomplete_v = !is_detected<detail::has_sizeof, T>::value;
+//===----------------------------------------------------------------------===//
+// Extra additions to <variant>
+//===----------------------------------------------------------------------===//
+
+template <class... Ts> struct overloaded : Ts... {
+ using Ts::operator()...;
+};
+template <class... Ts> overloaded(Ts...) -> overloaded<Ts...>;
+
----------------
kuhar wrote:
https://github.com/llvm/llvm-project/blob/f0f8434afac2d30ac143250377fb6433c68fc0a8/llvm/include/llvm/ADT/STLExtras.h#L1518-L1549
https://github.com/llvm/llvm-project/pull/119740
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