Struct viewbuilder::Handle

pub struct Handle<O: Object> { /* private fields */ }

Implementations

impl<O: Object> Handle<O>

pub fn key(&self) -> DefaultKey

pub fn update(&self, f: impl FnMut(&mut O) + 'static)

where O: 'static,

Send an update to the object.

pub fn borrow(&self) -> Ref<O>

Immutably borrow the object.

Examples found in repository

examples/counter.rs (line 33)

async fn main() {
    let rt = Runtime::default();
    let _guard = rt.enter();

    let a = Counter::default().spawn();
    let b = Counter::default().spawn();

    a.value_changed().bind(&b, Counter::set);
    a.set(2);

    rt.run().await;

    assert_eq!(a.borrow().value, 2);
    assert_eq!(b.borrow().value, 2);
}

Trait Implementations

impl<O: Object> Clone for Handle<O>

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<O: Object> Deref for Handle<O>

type Target = <O as Object>::Handle

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.