Struct maple_core::reactive::StateHandle[][src]

pub struct StateHandle<T: 'static>(_);

A readonly Signal.

Returned by functions that provide a handle to access state. Use Signal::handle or Signal::into_handle to retrieve a handle from a Signal.

Implementations

impl<T: 'static> StateHandle<T>[src]

pub fn get(&self) -> Rc<T>[src]

Get the current value of the state.

pub fn get_untracked(&self) -> Rc<T>[src]

Get the current value of the state, without tracking this as a dependency if inside a reactive context.

Example

use maple_core::prelude::*;

let state = Signal::new(1);

let double = create_memo({
    let state = state.clone();
    move || *state.get_untracked() * 2
});

assert_eq!(*double.get(), 2);

state.set(2);
// double value should still be old value because state was untracked
assert_eq!(*double.get(), 2);

Trait Implementations

impl<T: 'static> Clone for StateHandle<T>[src]

impl<T: Debug> Debug for StateHandle<T>[src]

Auto Trait Implementations

impl<T> !RefUnwindSafe for StateHandle<T>

impl<T> !Send for StateHandle<T>

impl<T> !Sync for StateHandle<T>

impl<T> Unpin for StateHandle<T>

impl<T> !UnwindSafe for StateHandle<T>

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized
[src]

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.