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Rollup merge of #76058 - pickfire:patch-11, r=jyn514 

Use assertions on Vec doc

Clarify what the state of Vec after with_capacity on doc.

r? @jyn514
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Aleksey Kladov 2020-08-31 12:51:51 +02:00 committed by GitHub
parent af1f46cf99 2d1ab83834
commit d829a5bcb1
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1 changed files with 3 additions and 2 deletions
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library/alloc/src/vec.rs
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@ -114,8 +114,9 @@ use crate::raw_vec::RawVec;
/// assert_eq!(vec, [0, 0, 0, 0, 0]);
///
/// // The following is equivalent, but potentially slower:
/// let mut vec1 = Vec::with_capacity(5);
/// vec1.resize(5, 0);
/// let mut vec = Vec::with_capacity(5);
/// vec.resize(5, 0);
/// assert_eq!(vec, [0, 0, 0, 0, 0]);
/// ```
///
/// Use a `Vec<T>` as an efficient stack: