Fix bug when compile for c++17

biaks · biaks · commit dac47feaa273 · 2021-08-29T16:04:00.000+03:00
diff --git a/core/include/prometheus/text_serializer.h b/core/include/prometheus/text_serializer.h
@@ -8,6 +8,9 @@
 
 #include "prometheus/metric_family.h"
 
+#if __cpp_lib_to_chars >= 201611L
+  #include <charconv>
+#endif
 
 namespace prometheus {
 
