[0.68] MustBeNoExceptVoidFunctor should depend on the template type p…

…arameter to avoid being evaluated too early (#9609) * MustBeNoExceptVoidFunctor should depend on the template type parameter to avoid being evaluated too early (#9562) * MustBeNoExceptVoidFunctor should depend on the template type parameter to avoid being evaluated too early * Change files * Change files Co-authored-by: Alexander Sklar <asklar@microsoft.com>
microsoft · Feb 26, 2022 · 8b72f04 · 8b72f04
1 parent 52a2780
commit 8b72f04
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diff --git a/change/react-native-windows-8c4bdb9b-4524-4bef-8b96-75ec3f73f6f9.json b/change/react-native-windows-8c4bdb9b-4524-4bef-8b96-75ec3f73f6f9.json
@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "MustBeNoExceptVoidFunctor should depend on the template type parameter to avoid being evaluated too early (#9562)",
+  "packageName": "react-native-windows",
+  "email": "julio.rocha@microsoft.com",
+  "dependentChangeType": "patch"
+}
diff --git a/vnext/Mso/dispatchQueue/dispatchQueue.h b/vnext/Mso/dispatchQueue/dispatchQueue.h
@@ -723,9 +723,14 @@ inline DispatchTaskImpl<TInvoke, TOnCancel>::~DispatchTaskImpl() noexcept {
   }
 }
 
+namespace details {
+template <typename>
+constexpr bool always_false = false;
+}
+
 template <typename T>
 inline void MustBeNoExceptVoidFunctor() {
-  static_assert(false, __FUNCTION__ ": not a noexcept callable functor returning void");
+  static_assert(details::always_false<T>, __FUNCTION__ ": not a noexcept callable functor returning void");
 }
 
 template <typename TInvoke, typename TOnCancel>