make address an argument

src/main.rs

@@ -1,17 +1,20 @@
+use std::env;
 use std::io::Write;
 use std::net::UdpSocket;
 
 fn main() -> std::io::Result<()> {
-    let mut stdout = std::io::stdout();
-
-    let socket = match UdpSocket::bind("192.168.1.244:10112") {
-        Ok(socket) => socket,
-        Err(e) => {
-            println!("No bind! {}", e.to_string());
-            return Err(e);
+    let addr = match env::args().nth(1) {
+        Some(x) => x,
+        None => {
+            println!("Error no address");
+            return Ok(());
         }
     };
 
+    let mut stdout = std::io::stdout();
+
+    let socket = UdpSocket::bind(addr)?;
+
     let mut buf = [0_u8; 1024];
 
     while let Ok((n_recv, _src)) = socket.recv_from(&mut buf) {