I just ran into the wonderful error message

the trait is not dyn compatible because method publish_video is async

and boy, what a rabbit hole. I found out about async_trait which resolves this by turning async methods into fn method() -> Pin<Box<dyn Future + Send + 'async_trait>>, but I thought that’s what the async fn was syntax sugar for??? Then I ran into this member-only medium post claiming

Rust Async Traits: What Finally Works Now

Async functions in traits shipped. Here’s what that means for your service interfaces.

But I clicked through every rust release since 1.75.0 where impl AsyncTrait was shipped and couldn’t find a mention of async. Now I’m just confused (and still using async_trait). Hence the question above…

  • cas@feddit.nl
    2·
    16 hours ago

    Oh I was in your position like A month ago… You’re gonna love dealing with Dyn compatibility and Async. I lost half of my hair because I kept pulling on it and smashing my head against the wall