iter-enum 1.2.1

#[derive(Iterator, DoubleEndedIterator, ExactSizeIterator, Extend)] for enums.
Documentation 
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extern crate rayon_crate as rayon;
use iter_enum::*;
enum Enum<A, B> {
    A(A),
    B(B),
}
#[automatically_derived]
impl<A, B> ::rayon::iter::IndexedParallelIterator for Enum<A, B>
where
    A: ::rayon::iter::IndexedParallelIterator,
    B: ::rayon::iter::IndexedParallelIterator<
        Item = <A as ::rayon::iter::ParallelIterator>::Item,
    >,
{
    #[inline]
    fn drive<__C>(self, consumer: __C) -> __C::Result
    where
        __C: ::rayon::iter::plumbing::Consumer<Self::Item>,
    {
        match self {
            Enum::A(x) => {
                <A as ::rayon::iter::IndexedParallelIterator>::drive(x, consumer)
            }
            Enum::B(x) => {
                <B as ::rayon::iter::IndexedParallelIterator>::drive(x, consumer)
            }
        }
    }
    #[inline]
    fn len(&self) -> usize {
        match self {
            Enum::A(x) => <A as ::rayon::iter::IndexedParallelIterator>::len(x),
            Enum::B(x) => <B as ::rayon::iter::IndexedParallelIterator>::len(x),
        }
    }
    #[inline]
    fn with_producer<__CB>(self, callback: __CB) -> __CB::Output
    where
        __CB: ::rayon::iter::plumbing::ProducerCallback<Self::Item>,
    {
        match self {
            Enum::A(x) => {
                <A as ::rayon::iter::IndexedParallelIterator>::with_producer(x, callback)
            }
            Enum::B(x) => {
                <B as ::rayon::iter::IndexedParallelIterator>::with_producer(x, callback)
            }
        }
    }
}
fn main() {}