Trait Back 

pub trait Back: CollectionRef {
    // Required method
    fn back(&self) -> Option<Self::ItemRef<'_>>;
}

Collection exposing a reference to its back element.

Required Methods

fn back(&self) -> Option<Self::ItemRef<'_>>

Get a reference to the back element of the collection.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl<T> Back for VecDeque<T>

fn back(&self) -> Option<&T>

Implementors

impl<T: Get<usize> + Len> Back for T