Struct State 

pub struct State<T: Clone + 'static> { /* private fields */ }

Cheap copyable read-only view of a state cell.

Implementations

impl<T: Clone + 'static> State<T>

pub fn is_alive(&self) -> bool

pub fn try_with<R>(&self, f: impl FnOnce(&T) -> R) -> Option<R>

pub fn try_value(&self) -> Option<T>

pub fn with<R>(&self, f: impl FnOnce(&T) -> R) -> R

pub fn value(&self) -> T

pub fn get(&self) -> T

pub fn has_subscribers(&self) -> bool

pub fn on_subscriber(&self, callback: Rc<dyn Fn()>)

Trait Implementations

impl<T: Clone + 'static> Clone for State<T>

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T: Clone + 'static> Copy for State<T>

impl<T: Debug + Clone + 'static> Debug for State<T>

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

Formats the value using the given formatter.

impl<T: Clone + 'static> Eq for State<T>

impl<T: Clone + 'static> PartialEq for State<T>

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.