Print input when validation fails (#516)

Co-authored-by: Dominik Steinberger <open-source-libraries@steinberger.io>

Print input when validation fails (#516)
Co-authored-by: Dominik Steinberger <open-source-libraries@steinberger.io>
Dominik Steinberger · GitHub
1 parent c1666528
Showing 1 changed file with 1 additions and 3 deletions
include/CLI/Validators.hpp
@@ -746,9 +746,7 @@ class IsMember : public Validator {
             }
  
             // If you reach this point, the result was not found
-            std::string out(" not in ");
-            out += detail::generate_set(detail::smart_deref(set));
-            return out;
+            return input + " not in " + detail::generate_set(detail::smart_deref(set));
         };
     }