Port als lokale Variable

src/bin/client.rs

@@ -2,9 +2,10 @@ use std::io::Write;
 use std::net::TcpStream;
 
 fn main() {
+    let port: u32 = 7878;
     //let stream = TcpStream::connect("172.30.16.1:8080");
     //let stream = TcpStream::connect("27.0.0.1:8080");
-    match TcpStream::connect("localhost:7878") {
+    match TcpStream::connect(format!("localhost:{}", port)) {
         Ok(mut stream) => {
             println!("Successfully connected to server");