Struct Arena 

pub struct Arena<T> { /* private fields */ }

Implementations

impl<T: Clone> Arena<T>

pub const fn new() -> Self

pub fn with_capacity(capacity: usize) -> Self

pub fn into_inner(self) -> Vec<T>

pub fn len(&self) -> usize

pub fn capacity(&self) -> usize

pub fn buffer_len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn iter(&self) -> impl DoubleEndedIterator<Item = (Handle<T>, &T)> + '_

pub fn drain(&mut self) -> impl Iterator<Item = (Handle<T>, T, Span)> + '_

pub fn iter_mut( &mut self, ) -> impl DoubleEndedIterator<Item = (Handle<T>, &mut T)> + '_

pub fn append(&mut self, value: T, count: usize) -> Handle<T>

pub fn fetch_if<F: Fn(&T) -> bool>(&self, fun: F) -> Option<Handle<T>>

pub fn fetch_if_or_append<F: Fn(&T, &T) -> bool>( &mut self, value: T, count: usize, fun: F, ) -> Handle<T>

pub fn fetch_or_append(&mut self, value: T, count: usize) -> Handle<T>

where T: PartialEq,

pub fn try_get(&self, handle: Handle<T>) -> Result<&T, &'static str>

pub fn get_mut(&mut self, handle: Handle<T>) -> &mut T

pub fn clear(&mut self)

pub fn get_span(&self, handle: Handle<T>) -> Span

pub fn check_contains_handle( &self, handle: Handle<T>, ) -> Result<(), &'static str>

pub fn retain_mut<P>(&mut self, predicate: P)

where P: FnMut(Handle<T>, &mut T) -> bool,

pub fn free(&mut self, handle: Handle<T>)

pub fn as_slice(&self) -> &[T]

pub fn as_mut_slice(&mut self) -> &mut [T]

pub fn spans(&self) -> &[Span]

pub fn free_spans(&self) -> &[Span]

Trait Implementations

impl<T: Clone> Clone for Arena<T>

fn clone(&self) -> Arena<T>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<T: Debug + Clone> Debug for Arena<T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<T: Clone> Default for Arena<T>

fn default() -> Self

Returns the “default value” for a type.

impl<T: Clone> Index<Handle<T>> for Arena<T>

type Output = T

The returned type after indexing.

fn index(&self, handle: Handle<T>) -> &T

Performs the indexing (container[index]) operation.

impl<T: Clone> IndexMut<Handle<T>> for Arena<T>

fn index_mut(&mut self, handle: Handle<T>) -> &mut T

Performs the mutable indexing (container[index]) operation.