Struct lifeline::Lifeline

#[must_use = "if unused the service will immediately be cancelled"]pub struct Lifeline { /* fields omitted */ }

A lifeline value, associated with a future spawned via the Task trait. When the lifeline is dropped, the associated future is immediately cancelled.

Lifeline values can be combined into structs, and represent trees of cancellable tasks.

Example:

use lifeline::Task;
use lifeline::Lifeline;

struct ExampleService {}
impl ExampleService {
    fn my_method() -> Lifeline {
        Self::task("my_method", async move {
            // some impl
        })
    }
}

Trait Implementations

impl Debug for Lifeline

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

Formats the value using the given formatter.

impl Drop for Lifeline

pub fn drop(&mut self)

Executes the destructor for this type.

impl Future for Lifeline

type Output = ()

The type of value produced on completion.

pub fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>

Attempt to resolve the future to a final value, registering the current task for wakeup if the value is not yet available.