auto merge of #18735 : utkarshkukreti/rust/remove-unnecessary-to_string-from-vec-docs, r=huonw
I don't think they're needed.
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@ -801,14 +801,13 @@ impl<T> Vec<T> {
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///
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/// # Example
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/// ```
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/// let mut v = vec!["foo".to_string(), "bar".to_string(),
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/// "baz".to_string(), "qux".to_string()];
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/// let mut v = vec!["foo", "bar", "baz", "qux"];
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///
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/// assert_eq!(v.swap_remove(1), Some("bar".to_string()));
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/// assert_eq!(v, vec!["foo".to_string(), "qux".to_string(), "baz".to_string()]);
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/// assert_eq!(v.swap_remove(1), Some("bar"));
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/// assert_eq!(v, vec!["foo", "qux", "baz"]);
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///
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/// assert_eq!(v.swap_remove(0), Some("foo".to_string()));
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/// assert_eq!(v, vec!["baz".to_string(), "qux".to_string()]);
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/// assert_eq!(v.swap_remove(0), Some("foo"));
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/// assert_eq!(v, vec!["baz", "qux"]);
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///
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/// assert_eq!(v.swap_remove(2), None);
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/// ```
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