No need to modify acc for std::accumulate
Bug: 175635923
Test: m MODULES-IN-hardware-interfaces-automotive-audiocontrol
Change-Id: Ic26706d72966b991424c47c5fb7dd46612a3dcc3
diff --git a/automotive/audiocontrol/aidl/default/AudioControl.cpp b/automotive/audiocontrol/aidl/default/AudioControl.cpp
index cf7307d..7e7e145 100644
--- a/automotive/audiocontrol/aidl/default/AudioControl.cpp
+++ b/automotive/audiocontrol/aidl/default/AudioControl.cpp
@@ -244,15 +244,15 @@
template <typename aidl_type>
static inline std::string toString(const std::vector<aidl_type>& in_values) {
return std::accumulate(std::begin(in_values), std::end(in_values), std::string{},
- [](std::string& ls, const aidl_type& rs) {
- return ls += (ls.empty() ? "" : ",") + rs.toString();
+ [](const std::string& ls, const aidl_type& rs) {
+ return ls + (ls.empty() ? "" : ",") + rs.toString();
});
}
template <typename aidl_enum_type>
static inline std::string toEnumString(const std::vector<aidl_enum_type>& in_values) {
return std::accumulate(std::begin(in_values), std::end(in_values), std::string{},
- [](std::string& ls, const aidl_enum_type& rs) {
- return ls += (ls.empty() ? "" : ",") + toString(rs);
+ [](const std::string& ls, const aidl_enum_type& rs) {
+ return ls + (ls.empty() ? "" : ",") + toString(rs);
});
}