Function idle_add

Source
pub fn idle_add<F>(func: F) -> SourceId
where F: FnMut() -> Continue + Send + 'static,
Expand description

Adds a closure to be called by the default main loop when it’s idle.

func will be called repeatedly until it returns Continue(false).

The default main loop almost always is the main loop of the main thread. Thus the closure is called on the main thread.