[C++] Use const reference to avoid potential copies.

aeron-io · Feb 6, 2019 · a77554c · a77554c
1 parent 20ee032
commit a77554c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/aeron-client/src/main/cpp/util/CommandOption.h b/aeron-client/src/main/cpp/util/CommandOption.h
@@ -59,7 +59,7 @@ class CommandOption
         return m_helpText;
     }
 
-    void addParam(std::string p)
+    void addParam(const std::string& p)
     {
         m_params.push_back(p);
     }