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Rollup merge of #97921 - bvanjoi:docs-example-str-replace, r=Dylan-DPC

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additional docs example for replace **all** of str
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Dylan DPC 2022-06-12 12:14:26 +02:00 • committed by GitHub
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library/alloc/src/str.rs
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@ -271,6 +271,7 @@ impl str {
/// let s = "this is old"; /// let s = "this is old";
/// ///
/// assert_eq!("this is new", s.replace("old", "new")); /// assert_eq!("this is new", s.replace("old", "new"));
/// assert_eq!("than an old", s.replace("is", "an"));
/// ``` /// ```
/// ///
/// When the pattern doesn't match: /// When the pattern doesn't match: