Trait Sequence

pub trait Sequence {
    type Item;

    // Required methods
    fn len(&self) -> usize;
    fn is_empty(&self) -> bool;
    fn get(&self, idx: usize) -> Option<Self::Item>;
}

An indexable collection of a finite number of items.

Required Associated Types

type Item

Required Methods

fn len(&self) -> usize

The number of items in the sequences.

fn is_empty(&self) -> bool

Check if len() == 0

fn get(&self, idx: usize) -> Option<Self::Item>

Get an item if and only if 0 <= idx < len().

Implementations on Foreign Types

impl Sequence for Range<usize>

type Item = usize

fn len(&self) -> usize

fn is_empty(&self) -> bool

fn get(&self, idx: usize) -> Option<Self::Item>

impl<'a, T> Sequence for &'a [T]

type Item = &'a T

fn len(&self) -> usize

fn is_empty(&self) -> bool

fn get(&self, idx: usize) -> Option<Self::Item>

impl<T> Sequence for &T

where T: Sequence + ?Sized,

type Item = <T as Sequence>::Item

fn len(&self) -> usize

fn is_empty(&self) -> bool

fn get(&self, idx: usize) -> Option<Self::Item>

impl<T> Sequence for Box<T>

where T: Sequence + ?Sized,

type Item = <T as Sequence>::Item

fn len(&self) -> usize

fn is_empty(&self) -> bool

fn get(&self, idx: usize) -> Option<Self::Item>

Implementors

impl<'a, T> Sequence for SplitSlice<'a, T>

type Item = &'a T