Trait WithChainOne
chain_one
pub trait WithChainOne: Iterator + Sized { fn chain_one(self, elem: Self::Item) -> ChainOne<Self>; }
impl<I> Iterator for ChainOne<I> where I: Iterator, type Item = I::Item;
fn chain_one(self, elem: Self::Item) -> ChainOne<Self>
impl<I> WithChainOne for I where I: Iterator,