Struct kas::Future

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

A future value, pending UI operation

This is a simpler form of future than the std::future::Future trait, relying on the UI event system for execution. It also does not come with a waker; since calling into widget code is only possible through the event system, an UpdateHandle should be used to wake the recipient.

Implementations

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

pub fn new_box_fnmut<U>(
    f: Box<dyn FnMut(&mut U) + 'static, Global>
) -> (Future<T>, Box<dyn FnMut(&mut U) + 'static, Global>) where
    U: 'static, 

Construct, given a boxed closure to produce the final value

Returns the future and a finish closure to set the value when done.

pub fn is_finished(&self) -> bool

Check whether this is finished

pub fn try_finish(self) -> Result<T, Future<T>>

Returns a result on completion

It may be worth checking Future::is_finished before calling this method.

Trait Implementations

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

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

Formats the value using the given formatter.