Rust Async can be a bit hard to understand at first!
Go with the flow.
The world at 88 mph
Rust Futures are broken down into two main traits:
core::future::Future: Representing the minimal required implementation for an asyncronous task. This is, notably, part of
coreand always available, even without
future::future::FutureExt: A large collection of functionality you might expect or want as a programmer.
You'll also find a bunch of handy functions just vibing in
Let's take a look!
What is a
Creating Futures from thin air
The laziest possible future we can make, is a
futures::future::lazy. It's right there in the name.
It takes a closure and runs it later poll it.
use Future; use block_on; async