upgrade to std::format

1 files changed, 3 insertions, 2 deletions

diff --git a/client/settings.hpp b/client/settings.hpp
index 3c8d6aa..6481a21 100644
--- a/client/settings.hpp
+++ b/client/settings.hpp
@@ -11,6 +11,7 @@
 
 #include <exception>
 #include <filesystem>
+#include <format>
 #include <iostream>
 #include <string>
 #include <vector>
@@ -94,7 +95,7 @@ public:
     }
 
     void usage_error(const std::exception& e) const {
-        std::cerr << "usage error: " << e.what() << '\n';
+        std::cerr << std::format("usage error: {}\n", e.what());
         std::cerr << *this;
     }
 
@@ -112,7 +113,7 @@ private:
     Settings m_settings;
 
     friend std::ostream& operator<<(std::ostream& os, const SettingsParser& parser) {
-        os << "usage: " << parser.m_prog_name << ' ' << get_short_description() << '\n';
+        os << std::format("usage: {} {}\n", parser.m_prog_name, get_short_description());
         os << parser.m_visible;
         return os;
     }