Note the alternate form of vec in trpl

This commit is contained in:
Steve Klabnik 2015-03-04 16:27:18 -05:00
parent 3b3bb0e682
commit 61a2766136

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@ -60,6 +60,12 @@ let v = vec![1, 2, 3]; // v: Vec<i32>
brackets `[]` with `vec!`. Rust allows you to use either in either situation,
this is just convention.)
There's an alternate form of `vec!` for repeating an initial value:
```
let v = vec![0; 10]; // ten zeroes
```
You can get the length of, iterate over, and subscript vectors just like
arrays. In addition, (mutable) vectors can grow automatically: