Trait WithObserver 

pub trait WithObserver: Sized + Future {
    // Provided method
    fn with_observer(self, observer: Arc<dyn Observer>) -> Instrumented<Self>  { ... }
}

Public extension trait — .with_observer(o) on a future binds an observer override that follows the future across thread migration (per-task tier; spec 11 § 3.1).

Provided Methods

fn with_observer(self, observer: Arc<dyn Observer>) -> Instrumented<Self>

Bind a per-task observer override to the future.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl<F> WithObserver for F

where F: Future,