Update types_ext.cc

shewer · Oct 24, 2023 · c833bf5 · c833bf5
1 parent 1e3ab10
commit c833bf5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/types_ext.cc b/src/types_ext.cc
@@ -23,7 +23,7 @@ using namespace rime;
 using boost::optional;
 
 namespace {
-
+using optional ns::optional;
 template<typename> using void_t = void;
 
 template<typename T, typename = void>