Trait TryFuture 

pub trait TryFuture: Future<Output = Result<Self::Ok, Self::Err>> + Sealed {
    type Ok;
    type Err;
}

A convenience for futures that return Result values that includes a variety of adapters tailored to such futures.

This is futures::TryFuture except it’s stricter on the future super-trait.

Required Associated Types

type Ok

type Err

Dyn Compatibility

This trait is dyn compatible.

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

Implementors

impl<T, E, F> TryFuture for F

where F: Future<Output = Result<T, E>> + ?Sized,

type Ok = T

type Err = E