Trait Promise 

pub trait Promise<'a, T>:
    Future<Output = T>
    + Send
    + 'a { }

Async promise, an alias for Rust’s built-in Future. A BoxPromise is an alias for Rust’s built-in BoxFuture.

Examples

promise.await

Dyn Compatibility

This trait is dyn compatible.

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

Implementors

impl<'a, T, U: Future<Output = T> + Send + 'a> Promise<'a, T> for U