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Clarify that VecDeque::swap can panic #44114

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Aug 28, 2017
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Clarify that VecDeque::swap can panic #44114

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6 changes: 4 additions & 2 deletions src/liballoc/vec_deque.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -459,10 +459,12 @@ impl<T> VecDeque<T> {
///
/// `i` and `j` may be equal.
///
/// Fails if there is no element with either index.
///
/// Element at index 0 is the front of the queue.
///
/// # Panics
///
/// Panics if either index is out of bounds.
///
/// # Examples
///
/// ```
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