Fix clang warning

bblanchon · Nov 15, 2021 · 4376aea · 4376aea
1 parent 323b576
commit 4376aea
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/ArduinoJson/Strings/String.hpp b/src/ArduinoJson/Strings/String.hpp
@@ -67,7 +67,7 @@ class String : public SafeBoolIdom<String> {
 
 #if ARDUINOJSON_ENABLE_STD_STREAM
   friend std::ostream& operator<<(std::ostream& lhs, const String& rhs) {
-    lhs.write(rhs.c_str(), rhs.size());
+    lhs.write(rhs.c_str(), static_cast<std::streamsize>(rhs.size()));
     return lhs;
   }
 #endif