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use std::marker::PhantomData;
use super::IsSorted;

pub struct SortedIter<I, O> {
    pub(crate) inner: I,
    pub(crate) ordering: PhantomData<O>,
}

impl<I, O> Iterator for SortedIter<I, O>
    where I: Iterator
{
    type Item = I::Item;
    fn next(&mut self) -> Option<Self::Item> {
        self.inner.next()
    }
}

impl<I, O> IsSorted for SortedIter<I, O> {
    type Ordering = O;
}