[libcxx-commits] [libcxx] [libc++] Implement LWG3476: Add mandates to thread, jthread, and async (PR #173363)

[A. Jiang via libcxx-commits]

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@@ -116,6 +111,11 @@ class jthread {
 private:
   template <class _Fun, class... _Args>
   _LIBCPP_HIDE_FROM_ABI static thread __init_thread(const stop_source& __ss, _Fun&& __fun, _Args&&... __args) {
+    static_assert(is_constructible_v<decay_t<_Fun>, _Fun>);
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frederick-vs-ja wrote:

I think it's better to keep these `static_assert`'s in their original places, which should avoid including internal function names in error messages.

https://github.com/llvm/llvm-project/pull/173363