update ancient note

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Tshepang Mbambo 2023-07-12 12:23:40 +02:00 committed by GitHub
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@ -65,8 +65,8 @@ use super::map::{map_try_reserve_error, RandomState};
/// ``` /// ```
/// ///
/// The easiest way to use `HashSet` with a custom type is to derive /// The easiest way to use `HashSet` with a custom type is to derive
/// [`Eq`] and [`Hash`]. We must also derive [`PartialEq`], this will in the /// [`Eq`] and [`Hash`]. We must also derive [`PartialEq`],
/// future be implied by [`Eq`]. /// which is implied by [`Eq`].
/// ///
/// ``` /// ```
/// use std::collections::HashSet; /// use std::collections::HashSet;