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Link vec doc to & reference

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It is not always obvious that people could see the docs for `&`
especially for beginners, it also helps learnability.
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Ivan Tham 2020-08-29 18:47:11 +08:00 committed by GitHub
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library/alloc/src/vec.rs
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@ -159,7 +159,7 @@ use crate::raw_vec::RawVec;
/// # Slicing /// # Slicing
/// ///
/// A `Vec` can be mutable. Slices, on the other hand, are read-only objects. /// A `Vec` can be mutable. Slices, on the other hand, are read-only objects.
/// To get a slice, use `&`. Example: /// To get a slice, use [`&`][prim@reference]. Example:
/// ///
/// ``` /// ```
/// fn read_slice(slice: &[usize]) { /// fn read_slice(slice: &[usize]) {