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Rollup merge of #57050 - RyanMarcus:master, r=zackmdavis

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Fixed typo in HashMap documentation

Previously "with a custom type as key", now "with a custom key type"
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kennytm 2018-12-23 00:08:02 +08:00
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src/libstd/collections/hash/map.rs
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@ -354,7 +354,7 @@ const DISPLACEMENT_THRESHOLD: usize = 128;
/// *stat += random_stat_buff();
/// ```
///
/// The easiest way to use `HashMap` with a custom type as key is to derive [`Eq`] and [`Hash`].
/// The easiest way to use `HashMap` with a custom key type is to derive [`Eq`] and [`Hash`].
/// We must also derive [`PartialEq`].
///
/// [`Eq`]: ../../std/cmp/trait.Eq.html