Struct Handler

pub struct Handler { /* private fields */ }

A handler is used to manage contexts and to cancel them.

Implementations

impl Handler

pub fn new() -> Handler

Create a new handler.

pub fn global() -> &'static Self

Returns the global handler.

pub async fn shutdown(&self)

Shutdown the handler and wait for all contexts to be done.

pub async fn done(&self)

Waits for the handler to be done (waiting for all contexts to be done).

pub async fn wait(&self)

Waits for the handler to be done (waiting for all contexts to be done). Returns once all contexts are done, even if the handler is not done and contexts can be created after this call.

pub fn context(&self) -> Context

Create a new context from this handler.

pub fn new_child(&self) -> (Context, Handler)

Create a new child context from this handler

pub fn cancel(&self)

Cancel the handler.

pub fn is_done(&self) -> bool

Returns true if the handler is done.

Trait Implementations

impl Clone for Handler

fn clone(&self) -> Handler

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Handler

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

Formats the value using the given formatter.

impl Default for Handler

fn default() -> Self

Returns the “default value” for a type.