Struct LocalStorageImpl 

pub struct LocalStorageImpl { /* private fields */ }

Available on crate feature local_storage_impl only.

An implementation of type-based local storage.

See LocalStorage for more info.
See also Fork, Update, Join, Merge.

Internal Structure

• inner: Stores the mapping of TypeId -> type-erased boxed value.
• changed: Tracks which entries have been modified.

Implementations

impl LocalStorageImpl

pub fn new() -> Self

Constructs new LocalStorageImpl.

Trait Implementations

impl Debug for LocalStorageImpl

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

Formats the value using the given formatter.

impl Default for LocalStorageImpl

fn default() -> LocalStorageImpl

Returns the “default value” for a type.

impl Fork for LocalStorageImpl

fn fork(&self) -> Self

Creates a forked instance of the implementor.

impl Join for LocalStorageImpl

fn join(&mut self, others: Box<[Self]>)

Joins the state of multiple others into this instance.

impl LocalStorage for LocalStorageImpl

fn get<T>(&self) -> Option<&T>

where T: 'static,

Gets reference of a value with type T from storage if it is present.

fn get_mut<T>(&mut self) -> Option<&mut T>

where T: 'static,

Gets mutable reference of a value with type T from storage if it is present.

fn insert<T>(&mut self, val: T) -> Option<T>

where T: Merge + Clone + Send + 'static,

Inserts value with type T to storage and returns the value that was there previously if it was there.

fn remove<T>(&mut self) -> Option<T>

where T: 'static,

Removes and returns value with type T from storage if it is present.

impl Update for LocalStorageImpl

fn update_from(&mut self, other: Self)

Merges or synchronizes the state of other into self.