Trait HasLength

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

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

Trait for data structures which have a length.

Required Methods

fn len(&self) -> usize

Return the length of the data structure.

Provided Methods

fn is_empty(&self) -> bool

Return whether the data structure is empty.

Implementations on Foreign Types

impl<A> HasLength for VecDeque<A>

fn len(&self) -> usize

Implementors

impl<'a, A: 'a, const N: usize> HasLength for Slice<'a, A, N>

impl<'a, A: 'a, const N: usize> HasLength for SliceMut<'a, A, N>

impl<A, const N: usize> HasLength for RingBuffer<A, N>