Trait fallible_iterator::DoubleEndedFallibleIterator [] [src]

pub trait DoubleEndedFallibleIterator: FallibleIterator {
    fn next_back(&mut self) -> Result<Option<Self::Item>, Self::Error>;
}

A fallible iterator able to yield elements from both ends.

Required Methods

fn next_back(&mut self) -> Result<Option<Self::Item>, Self::Error>

Advances the end of the iterator, returning the last value.

Implementors