arrayset 3.1.1

An array-backed ordered set type.
Documentation 
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use core::{iter::FusedIterator, slice};

#[derive(Clone, Debug)]
pub struct Iter<'a, T>(slice::Iter<'a, T>);

impl<'a, T> Iter<'a, T>
where
    T: 'a,
{
    pub(super) fn new(entries: &'a [T]) -> Self {
        Self(entries.iter())
    }
}

impl<'a, T> Iterator for Iter<'a, T>
where
    T: 'a,
{
    type Item = &'a T;

    fn next(&mut self) -> Option<Self::Item> {
        self.0.next()
    }

    fn size_hint(&self) -> (usize, Option<usize>) {
        self.0.size_hint()
    }
}

impl<'a, T> DoubleEndedIterator for Iter<'a, T>
where
    T: 'a,
{
    fn next_back(&mut self) -> Option<Self::Item> {
        self.0.next_back()
    }
}

impl<'a, T> ExactSizeIterator for Iter<'a, T> {}
impl<'a, T> FusedIterator for Iter<'a, T> {}