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reference: improve examples of the different array types #26789

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Jul 6, 2015
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reference: improve examples of the different array types #26789

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13 changes: 9 additions & 4 deletions src/doc/reference.md
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Expand Up @@ -3344,12 +3344,17 @@ heap.
A slice is a 'view' into an array. It doesn't own the data it points
to, it borrows it.

An example of each kind:
Examples:

```{rust}
let vec: Vec<i32> = vec![1, 2, 3];
let arr: [i32; 3] = [1, 2, 3];
let s: &[i32] = &vec[..];
// A stack-allocated array
let array: [i32; 3] = [1, 2, 3];

// A heap-allocated array
let vector: Vec<i32> = vec![1, 2, 3];

// A slice into an array
let slice: &[i32] = &vector[..];
```

As you can see, the `vec!` macro allows you to create a `Vec<T>` easily. The
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