change to iterate over &vet

2015-02-28 09:59:52 +08:00 · 2015-02-28 09:59:52 +08:00 · 69bfb6f717
commit 69bfb6f717
parent 05bdfe8e2e
1 changed files with 1 additions and 1 deletions
--- a/src/doc/intro.md
+++ b/src/doc/intro.md
@ -565,7 +565,7 @@ while retaining safety. The answer is iterators:
 ```{rust}
 let vec = vec![1, 2, 3];

-for x in vec {
+for x in &vec {
    println!("{}", x);
 }
 ```