upd5

examples/tcp_echo_client.v

@@ -4,12 +4,13 @@ fn main() {
 	// Create new TCP socket.
 	mut socket := netio.Socket.new(netio.af_inet, netio.sock_stream, 0)!
 
+	// Close socket on exit.
 	defer {
 		socket.close() or { panic(err) }
 	}
 
 	// Create the server socket address.
-	server_addr := netio.SocketAddr.ipv4([u8(127), 0, 0, 1]!, 1081)
+	server_addr := netio.SocketAddr.new_ipv4([u8(127), 0, 0, 1]!, 1081)
 
 	// Connect socket to the server address.
 	socket.connect(server_addr) or {
@@ -22,7 +23,10 @@ fn main() {
 	// Send message to the server.
 	msg := 'Hello from client!'
 
-	sent := socket.send(msg.bytes(), 0)!
+	sent := socket.send(msg.bytes(), 0) or {
+		eprintln('SEND: ${err}')
+		exit(1)
+	}
 
 	eprintln('Sent to the server: ${sent} bytes, data: ${msg}')