================
@@ -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...>;
+
----------------
Bigcheese wrote:
Yeah, I can split this out.
I don't see `make_visitor` in the codebase (git grep). I looked at all uses of
`std::visit` to see if we already had something similar and didn't see anything.
https://github.com/llvm/llvm-project/pull/119740
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