examples use flat_buffer

fix #1401

CHANGELOG.md

@@ -5,6 +5,7 @@ Version 203
 * saved_handler is a public interface
 * Use new saved_handler in websocket
 * session_alloc is thread-safe
+* examples use flat_buffer
 
 --------------------------------------------------------------------------------
 

example/advanced/server-flex/advanced_server_flex.cpp

@@ -240,7 +240,7 @@ class websocket_session
         return static_cast<Derived&>(*this);
     }
 
-    beast::multi_buffer buffer_;
+    beast::flat_buffer buffer_;
     char ping_state_ = 0;
 
 protected:

example/advanced/server/advanced_server.cpp

@@ -225,7 +225,7 @@ class websocket_session : public std::enable_shared_from_this<websocket_session>
     net::strand<
         net::io_context::executor_type> strand_;
     net::steady_timer timer_;
-    beast::multi_buffer buffer_;
+    beast::flat_buffer buffer_;
     char ping_state_ = 0;
 
 public: