Trait collections::Collection [src]

pub trait Collection {
    fn len(&self) -> uint;

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

A trait to represent the abstract idea of a container. The only concrete knowledge known is the number of elements contained within.

Required Methods

`fn len(&self) -> uint`

Return the number of elements in the container

Provided Methods

`fn is_empty(&self) -> bool`

Return true if the container contains no elements

Implementors

impl Collection for BitvSet
impl<T> Collection for DList<T>
impl<T: Ord> Collection for PriorityQueue<T>
impl<T> Collection for RingBuf<T>
impl<V> Collection for SmallIntMap<V>
impl<K: Ord, V> Collection for TreeMap<K, V>
impl<T: Ord> Collection for TreeSet<T>
impl<T> Collection for TrieMap<T>
impl Collection for TrieSet
impl<'a, T> Collection for &'a [T]
impl<'a> Collection for &'a str
impl<'a> Collection for MaybeOwned<'a>
impl Collection for String
impl<T> Collection for Vec<T>