Trait Collection 

pub trait Collection {
    type Item;

    // Required method
    fn size(&self) -> usize;

    // Provided method
    fn is_empty(&self) -> bool { ... }
}

trait to impl for any type that represents a collection of items

Required Associated Types

type Item

Item Type of collection

Required Methods

fn size(&self) -> usize

Number of items in the collection

Provided Methods

fn is_empty(&self) -> bool

Helper function for whether collection has elements

Implementations on Foreign Types

impl<T> Collection for Vec<T>

type Item = T

fn size(&self) -> usize

Implementors

impl<T> Collection for DuplicatesAllowedDeck<T>

type Item = T

impl<T> Collection for NoDuplicatesDeck<T>

where T: PartialEq,

type Item = T