Use has_value instead of operator bool

src/main.cpp

@@ -6,7 +6,8 @@ void print_stats(const CommitRequest &request) {
 
   std::cout << "✓ Successfully parsed commit request:" << std::endl;
   std::cout << "  Request ID: "
-            << (request.request_id() ? request.request_id().value() : "none")
+            << (request.request_id().has_value() ? request.request_id().value()
+                                                 : "none")
             << std::endl;
   std::cout << "  Leader ID: " << request.leader_id() << std::endl;
   std::cout << "  Read Version: " << request.read_version() << std::endl;