Struct observe::Var

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

Implementations

impl<T> Var<T>where T: 'static,

pub fn new(value: T) -> Selfwhere T: Hash,

pub fn map<F, R>(&self, func: F) -> Computed<R>where F: Fn(&T) -> R + 'static, R: Hash + 'static,

pub fn get(&self, eval: &impl AsRef<Evaluation>) -> Ref<'_, T>

pub fn get_once(&self) -> Ref<'_, T>

pub fn set(&self, value: T)where T: Hash,

pub fn toggle(&self)where T: Toggle + Hash,

pub fn replace(&self, value: T) -> Twhere T: Hash,

pub fn update(&self, func: impl FnOnce(&mut T))where T: Hash,

Trait Implementations

impl<T> Clone for Var<T>

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T> Debug for Var<T>where T: 'static + Debug,

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

Formats the value using the given formatter.

impl<T> Default for Var<T>where T: Default + Hash + 'static,

fn default() -> Self

Returns the “default value” for a type.

impl<T: 'static> From<Var<T>> for Rc<dyn Any>

fn from(var: Var<T>) -> Self

Converts to this type from the input type.

impl<T> From<Var<T>> for Value<T>where T: 'static,

fn from(var: Var<T>) -> Self

Converts to this type from the input type.

impl<T> Hash for Var<T>where T: Hash,

fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<T: 'static> TryFrom<Rc<dyn Any + 'static>> for Var<T>

type Error = Rc<dyn Any + 'static>

The type returned in the event of a conversion error.

fn try_from(value: Rc<dyn Any>) -> Result<Self, Self::Error>

Performs the conversion.