chore: remove obsolete usages of Boost.

README.md

@@ -9,8 +9,8 @@
 
 # Requirements
 
-Server++ requires a C++17 compiler and the following libraries:
-  * Boost (At least version 1.69.0)
+Server++ requires a C++20 compiler and the following libraries:
+  * Boost (At least version 1.69.0) (for Boost.Asio)
 
 # Installation - CMake
 

example/echo/src/echo_server.cpp

@@ -1,5 +1,3 @@
-#include <boost/range/algorithm/for_each.hpp>
-#include <boost/range/algorithm_ext/erase.hpp>
 #include <serverpp/tcp_server.hpp>
 
 #include <algorithm>
@@ -38,7 +36,7 @@ class echo_server
             return connection == dead_socket;
         };
 
-        boost::remove_erase_if(connections_, is_dead_socket);
+        std::erase_if(connections_, is_dead_socket);
 
         std::cout << "Connection died, " << connections_.size()
                   << " connections remaining\n";
@@ -52,7 +50,7 @@ class echo_server
             connection->close();
         };
 
-        boost::for_each(connections_, close_connection);
+        std::ranges::for_each(connections_, close_connection);
     }
 
     void shutdown_server()

src/tcp_socket.cpp

@@ -1,8 +1,6 @@
 #include "serverpp/tcp_socket.hpp"
 
-#include <boost/lexical_cast.hpp>
-
-#include <vector>
+#include <string>
 
 namespace serverpp {
 
@@ -48,8 +46,7 @@ void tcp_socket::write(bytes data)
 // ==========================================================================
 std::string tcp_socket::get_ip_address() const
 {
-    return boost::lexical_cast<std::string>(
-        socket_.remote_endpoint().address());
+    return socket_.remote_endpoint().address().to_string();
 }
 
 // ==========================================================================