Trait HasLength 

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

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

Required Methods

fn len(&self) -> usize

The number of child items in the entry. This is indexed with the size used in truncate.

Provided Methods

fn is_empty(&self) -> bool

Implementations on Foreign Types

impl HasLength for Range<u32>

fn len(&self) -> usize

impl<A, B> HasLength for (A, B)

where A: HasLength,

fn len(&self) -> usize

impl<T, E> HasLength for Result<T, E>

where T: HasLength, Result<T, E>: Clone,

fn len(&self) -> usize

Implementors

impl<'a, T: SplitableSpanCtx + HasLength> HasLength for WithCtx<'a, T>

impl<S: HasLength> HasLength for ReverseSpan<S>

impl<T> HasLength for Single<T>

impl<T: Clone + Eq> HasLength for RleRun<T>