Trait Len 

pub trait Len {
    // Required method
    fn len(&self) -> usize;

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

Required Methods

fn len(&self) -> usize

Provided Methods

fn is_empty(&self) -> bool

Implementations on Foreign Types

impl Len for &String

fn len(&self) -> usize

impl Len for str

fn len(&self) -> usize

impl Len for CString

fn len(&self) -> usize

impl Len for String

fn len(&self) -> usize

impl Len for CStr

fn len(&self) -> usize

impl Len for OsStr

fn len(&self) -> usize

impl Len for OsString

fn len(&self) -> usize

impl<K: Eq + Hash, S> Len for &HashSet<K, S>

fn len(&self) -> usize

impl<K: Eq + Hash, S> Len for HashSet<K, S>

fn len(&self) -> usize

impl<K: Eq + Hash, V, S> Len for &HashMap<K, V, S>

fn len(&self) -> usize

impl<K: Eq + Hash, V, S> Len for HashMap<K, V, S>

fn len(&self) -> usize

impl<K: Ord, V> Len for BTreeMap<K, V>

fn len(&self) -> usize

impl<T> Len for [T]

fn len(&self) -> usize

impl<T> Len for LinkedList<T>

fn len(&self) -> usize

impl<T, A: Allocator> Len for &Vec<T, A>

fn len(&self) -> usize

impl<T, A: Allocator> Len for VecDeque<T, A>

fn len(&self) -> usize

impl<T, A: Allocator> Len for Vec<T, A>

fn len(&self) -> usize

impl<T, const N: usize> Len for [T; N]

fn len(&self) -> usize

impl<T: Ord> Len for BinaryHeap<T>

fn len(&self) -> usize

impl<T: Ord> Len for BTreeSet<T>

fn len(&self) -> usize

impl<T: ?Sized + Len> Len for Box<T>

fn len(&self) -> usize

Implementors