futures-await | primary way of working with futures today | Reactive Programming library
kandi X-RAY | futures-await Summary
kandi X-RAY | futures-await Summary
The primary way of working with futures today in Rust is through the various combinators on the Future trait. This is not quite "callback hell" but can sometimes feel like it as the rightward drift of code increases for each new closure you tack on. The purpose of async/await is to provide a much more "synchronous" feeling to code while retaining all the power of asynchronous code!.
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Trending Discussions on futures-await
QUESTION
Rust newbie here (<7 days into learning), the second hurdle I am trying to overcome after ownership rule is async/await.
I am writing a test that calls an async
function and I need to get the result from the Future
without using the keyword await
.
I have looked at async_test
, however I can't use that because (as I understand) this requires tokio
runtime and #[tokio_main]
attribute in my main
method - but I have my main
already decorated with #[actix_rt::main]
This is my test
...ANSWER
Answered 2020-May-08 at 22:29Had to clear my head for a bit and start again, just to find actix-web has a macro I can use that allows async
tests.
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Install futures-await
Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.
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