Trait BackMut 

pub trait BackMut: CollectionMut {
    // Required method
    fn back_mut(&mut self) -> Option<Self::ItemMut<'_>>;
}

Collection exposing a mutable reference to its back element.

Required Methods

fn back_mut(&mut self) -> Option<Self::ItemMut<'_>>

Get a mutable 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".

Implementations on Foreign Types

impl<T> BackMut for VecDeque<T>

fn back_mut(&mut self) -> Option<&mut T>

Implementors

impl<T: GetMut<usize> + Len> BackMut for T