use const references in catch blocks

2017-03-18 12:56:07 +00:00
parent c642d3224c
commit d023831327
5 changed files with 13 additions and 13 deletions
@@ -168,7 +168,7 @@ namespace command_line
    {
      return parser();
    }
-    catch (std::exception& e)
+    catch (const std::exception& e)
    {
      std::cerr << "Failed to parse arguments: " << e.what() << std::endl;
      std::cerr << desc << std::endl;