[libcxx-commits] [libcxx] [libc++] Implement `std::function_ref` (PR #186692)

[via libcxx-commits]

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@@ -89,6 +89,11 @@ export namespace std {
   using std::in_place_index;
   using std::in_place_index_t;
 
+#if _LIBCPP_STD_VER >= 26
+  using std::constant_wrapper;
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huixie90 wrote:

https://github.com/llvm/llvm-project/pull/202038


https://github.com/llvm/llvm-project/pull/186692