Trait HasLen 

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

HasLen

Required Methods

fn len(&self) -> usize

Dyn Compatibility

This trait is dyn compatible.

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

Implementations on Foreign Types

impl HasLen for String

fn len(&self) -> usize

impl HasLen for str

fn len(&self) -> usize

impl<K, V, S: BuildHasher> HasLen for HashMap<K, V, S>

fn len(&self) -> usize

impl<K, V> HasLen for BTreeMap<K, V>

fn len(&self) -> usize

impl<T, S: BuildHasher> HasLen for HashSet<T, S>

fn len(&self) -> usize

impl<T> HasLen for BTreeSet<T>

fn len(&self) -> usize

impl<T> HasLen for Vec<T>

fn len(&self) -> usize

impl<T> HasLen for [T]

fn len(&self) -> usize

Implementors

impl HasLen for Blob