Struct DataTracker

pub struct DataTracker<T>
where
    T: Clone + PartialEq,
{ /* private fields */ }

Tracks changes to data and notifies listeners.

The data to be tracked is type T.

Subsribe to changes by calling add_listener.

See the module-level documentation for more details.

Implementations

impl<T> DataTracker<T>

where T: Clone + PartialEq,

pub fn new(value: T) -> DataTracker<T>

Create a new DataTracker which takes ownership of the data of type T.

pub fn add_listener(&mut self) -> Receiver<(T, T)>

Add a callback that will be called just after a data change is detected.

Returns a Receiver which will receive messages whenever a change occurs.

To remove a listener, drop the Receiver.

pub fn as_tracked_mut(&mut self) -> Modifier<'_, T>

Return a Modifier which can be used to modify the owned data.

Trait Implementations

impl<T> AsRef<T> for DataTracker<T>

where T: Clone + PartialEq,

fn as_ref(&self) -> &T

Converts this type into a shared reference of the (usually inferred) input type.