example: generate random string at the end

a8m · Oct 22, 2016 · 56ec8d6 · 56ec8d6
1 parent 8f86efa
commit 56ec8d6
Showing 1 changed file with 13 additions and 1 deletion.
diff --git a/examples/multi.rs b/examples/multi.rs
@@ -34,7 +34,7 @@ fn main() {
                 thread::sleep(Duration::from_millis(100));
                 pb.tick();
             }
-            pb.finish_print(&format!("Bar {} completed !", i));
+            pb.finish_print(&format!("{}: Pull complete", rand_string()));
         });
     }
 
@@ -60,3 +60,15 @@ fn main() {
 
     println!("\nall bars done!\n");
 }
+
+fn rand_string() -> String {
+    let mut v = Vec::new();
+    while v.len() < 12 {
+        let b = rand::random::<u8>();
+        // [0-9a-f]
+        if b > 47 && b < 58 || b > 96 && b < 103 {
+            v.push(b);
+        }
+    }
+    std::str::from_utf8(&v).unwrap().to_string()
+}