Trait PeekableExt 

pub trait PeekableExt: Iterator {
    // Required method
    fn peek(&mut self) -> Option<&Self::Item>;
}

A trait for iterators that support peeking at the next item without consuming it.

Required Methods

fn peek(&mut self) -> Option<&Self::Item>

Peek at the next item without consuming it.

Implementations on Foreign Types

impl<I> PeekableExt for Peekable<I>

where I: Iterator,

fn peek(&mut self) -> Option<&Self::Item>

Implementors

impl<I> PeekableExt for Checkpoint<I>

where I: Iterator + PeekableExt, I::Item: Clone,