Is there any way of creating Futures without creating an async function?

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I am implementing an actix responder which returns a Future. In my case in the responder however I dont really do any async operations what i do is pretty much just to json serialize Self and return the resulting json string.
Is there a way to create static futures similar to Promise.resolve from javascript ?

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future::ready

2 Likes
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Or an async block, async move { value }

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with an async block I also need to wrap the thing in Box::pin afaik

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That certainly depends on what you need it for. The async block is definitely a future, although it might not be Unpin and definitely is not nameable.

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