Trait SizedIndex 

pub trait SizedIndex<I: Uint>: Index<I> {
    // Required method
    fn length(&self) -> I;

    // Provided methods
    fn is_empty(&self) -> bool { ... }
    fn get(&self, i: I) -> Option<&Self::Output> { ... }
    fn last(&self) -> Option<&Self::Output> { ... }
    fn index_iter(self) -> IndexIter<I, Self> 
       where Self: Sized { ... }
}

A container indexed by I from 0 up to length.

The length is fixed: it does not change for as long as the container is held, so IndexIter can promise an exact size_hint and stay fused. A container with interior mutability that could change its length must not implement this trait.

Required Methods

fn length(&self) -> I

Provided Methods

fn is_empty(&self) -> bool

fn get(&self, i: I) -> Option<&Self::Output>

Element i if it is below length, and None past the end, where Index panics: the bound every reader of an element that may be absent would otherwise write for itself.

fn last(&self) -> Option<&Self::Output>

fn index_iter(self) -> IndexIter<I, Self>

where Self: Sized,

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl<T> SizedIndex<usize> for [T]

fn length(&self) -> usize

Implementors

impl<W: ContainerWrapper> SizedIndex<u32> for W