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Rollup merge of #62957 - dns2utf8:doc_loop_keyword, r=GuillaumeGomez

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Match the loop examples

The idea is to show the usefulness of the expression side by side.
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Mazdak Farrokhzad 2019-08-30 23:07:57 +02:00 • committed by GitHub
commit c96a677c39
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7
src/libstd/keyword_docs.rs
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@ -681,14 +681,15 @@ mod while_keyword { }
/// # break;
/// }
///
/// let mut i = 0;
/// let mut i = 1;
/// loop {
/// println!("i is {}", i);
/// if i > 10 {
/// if i > 100 {
/// break;
/// }
/// i += 1;
/// i *= 2;
/// }
/// assert_eq!(i, 128);
/// ```
///
/// Unlike the other kinds of loops in Rust (`while`, `while let`, and `for`), loops can be used as