Merge pull request #1165 from crajcan/edit-for-loop-mutation-example

Mutate array in iter_mut() example
rust-lang · Apr 15, 2019 · 8899358 · 8899358
2 parents 22bb226 + 84efbba
commit 8899358
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/src/flow_control/for.md b/src/flow_control/for.md
@@ -99,11 +99,13 @@ fn main() {
     let mut names = vec!["Bob", "Frank", "Ferris"];
 
     for name in names.iter_mut() {
-        match name {
-            &mut "Ferris" => println!("There is a rustacean among us!"),
-            _ => println!("Hello {}", name),
+        *name = match name {
+            &mut "Ferris" => "There is a rustacean among us!",
+            _ => "Hello",
         }
     }
+
+    println!("names: {:?}", names);
 }
 ```