clarify example in README (#8)

bnoordhuis · Sep 9, 2022 · 550ec42 · 550ec42
1 parent 01cb3ba
commit 550ec42
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/README.md b/README.md
@@ -5,9 +5,11 @@ List the network interfaces on the system.
 
 Example usage:
 ```rust
-for ifa in netif::up() {
-    if !ifa.address().is_loopback() {
-        println!("{:?}", ifa);
+fn main() {
+    for ifa in netif::up().unwrap() {
+        if !ifa.address().is_loopback() {
+            println!("{:?}", ifa);
+        }
     }
 }
 ```