Struct relm::StreamHandle

pub struct StreamHandle<MSG> { /* fields omitted */ }

Handle to a EventStream to emit messages.

Implementations

impl<MSG> StreamHandle<MSG>

pub fn stream(&self) -> Self

Same as clone(). Useful for the macro relm_observer_new.

pub fn emit(&self, msg: MSG)

Send the event message to the stream and the observers.

pub fn lock(&self) -> Lock<MSG>

Lock the stream (don’t emit message) until the Lock goes out of scope.

pub fn observe<CALLBACK: Fn(&MSG) + 'static>(&self, callback: CALLBACK)

Add an observer to the event stream. This callback will be called every time a message is emmited.

Trait Implementations

impl<MSG> Clone for StreamHandle<MSG>

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.