Trait itertools::duplicates_impl::private::KeyMethod

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pub trait KeyMethod<K, V> {
    type Container: KeyXorValue<K, V>;

    // Required method
    fn make(&mut self, value: V) -> Self::Container;
}
Expand description

A keying method for use with DuplicatesBy

Required Associated Types§

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type Container: KeyXorValue<K, V>

Required Methods§

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fn make(&mut self, value: V) -> Self::Container

Implementors§

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impl<K, V, F> KeyMethod<K, V> for ByFn<F>
where F: FnMut(&V) -> K,

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type Container = KeyValue<K, V>

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impl<V> KeyMethod<V, V> for ById

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type Container = JustValue<V>