Struct TaskTracker 

pub struct TaskTracker { /* private fields */ }

A TaskTracker is used both as a token to keep track of active tasks, and as a cancellation token to check to see if the current task should quit.

Implementations

impl TaskTracker

pub fn subtask(&self) -> Self

Create a new subtask from this TaskTracker.

pub fn spawn<T, F: FnOnce(TaskTracker) -> T>( &self, f: F, ) -> JoinHandle<T::Output>

where T: Future + Send + 'static, T::Output: Send + 'static,

Spawn a subtask.

The given closure will be called, passing in a task tracker.

pub async fn cancelled(&self)

Check to see if this task has been cancelled.

pub fn is_cancelled(&self) -> bool

Returns true if this token has been cancelled.

Trait Implementations

impl Clone for TaskTracker

fn clone(&self) -> TaskTracker

Returns a duplicate of the value.

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

Performs copy-assignment from source.