writer as unique ptr

runtime/rpc_server.cpp

@@ -1,5 +1,6 @@
 #include "rpc_server.hpp"
 #include "json.hpp"
+#include <memory>
 #include <netinet/in.h>
 #include <sys/socket.h>
 #include <unistd.h>
@@ -57,8 +58,8 @@ auto slige_rpc::RpcServer<Functor>::listen() -> Res<Unit>
                     continue;
                 }
                 auto req = sliger::json::parse_json(message);
-                auto writer = BufferedWriter(client);
+                auto writer = std::make_unique<BufferedWriter>(client);
-                this->functor(req, writer);
+                this->functor(req, std::move(writer));
                 message.clear();
                 break;
             }

runtime/rpc_server.hpp

@@ -63,6 +63,10 @@ public:
         : fd(fd)
     {
     }
+    BufferedWriter(const BufferedWriter&) = delete;
+    BufferedWriter operator=(const BufferedWriter&) = delete;
+    BufferedWriter(BufferedWriter&&) = delete;
+    BufferedWriter operator=(BufferedWriter&&) = delete;
     ~BufferedWriter() { close(fd); }
 
     auto flush() -> Res<size_t>;