mark some functions constexpr

Reviewed By: yfeldblum Differential Revision: D29235403 fbshipit-source-id: 7af7df3cd0f7d0c4d0c3e303ca21185c6944e0c7
facebook · Jun 18, 2021 · f602751 · f602751
1 parent fb55602
commit f602751
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/fatal/type/foreach.h b/fatal/type/foreach.h
@@ -20,7 +20,7 @@ namespace fatal {
 
 template <typename List, typename Visitor, typename... Args>
 FATAL_ATTR_ALWAYS_INLINE
-static inline void foreach(Visitor&& visitor, Args&&... args) {
+constexpr static inline void foreach(Visitor&& visitor, Args&&... args) {
   impl_fe::f<List, make_index_sequence<size<List>::value>>::g(
     static_cast<Visitor &&>(visitor),
     static_cast<Args &&>(args)...

diff --git a/fatal/type/impl/foreach.h b/fatal/type/impl/foreach.h
@@ -27,7 +27,7 @@ struct f<list<T...>, index_sequence<Indexes...>> {
 
   template <typename Visitor, typename... Args>
   FATAL_ATTR_ALWAYS_INLINE FATAL_ATTR_VISIBILITY_HIDDEN
-  static void g(Visitor &&visitor, Args &&...args) {
+  constexpr static void g(Visitor &&visitor, Args &&...args) {
     using _ = int[];
     void(_{(void(visitor(indexed<T, Indexes>{}, args...)), 0)...});
   }