cpp-common/bt2c/fmt.hpp: use `wise_enum::string_type` in `EnableIfIsWiseEnum` definition

[babeltrace.git] / src / cpp-common / bt2c / fmt.hpp

diff --git a/src/cpp-common/bt2c/fmt.hpp b/src/cpp-common/bt2c/fmt.hpp
index a78d7a61af83f37bb7f5b4c96c0035b568401908..ab3d6bc875de3514ac5fa2fb4b8e2548f38cece4 100644 (file)
--- a/src/cpp-common/bt2c/fmt.hpp
+++ b/src/cpp-common/bt2c/fmt.hpp
@@ -13,7 +13,7 @@ namespace internal {
 
 template <typename T>
 using EnableIfIsWiseEnum =
-    typename std::enable_if<wise_enum::is_wise_enum<T>::value, const char *>::type;
+    typename std::enable_if<wise_enum::is_wise_enum<T>::value, wise_enum::string_type>::type;
 
 } /* namespace internal */