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doc: "mut" not needed for the examples

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This commit is contained in:
Tshepang Lekhonkhobe 2016-03-29 19:59:55 +02:00
parent 235d77457d
commit cd92e9f966
1 changed files with 3 additions and 3 deletions
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6
src/doc/book/vectors.md
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@ -116,11 +116,11 @@ for i in v {
```
Note: You cannot use the vector again once you have iterated by taking ownership of the vector.
You can iterate the vector multiple times by taking a reference to the vector whilst iterating.
You can iterate the vector multiple times by taking a reference to the vector whilst iterating.
For example, the following code does not compile.
```rust,ignore
let mut v = vec![1, 2, 3, 4, 5];
let v = vec![1, 2, 3, 4, 5];
for i in v {
println!("Take ownership of the vector and its element {}", i);
@ -134,7 +134,7 @@ for i in v {
Whereas the following works perfectly,
```rust
let mut v = vec![1, 2, 3, 4, 5];
let v = vec![1, 2, 3, 4, 5];
for i in &v {
println!("This is a reference to {}", i);