actix-web

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Expected Behavior

HttpServer::new should support asynchronous application factories as the argument.

Current Behavior

HttpServer::new(move || async move { ... });

fails.

Possible Solution

We either add new_async method or somehow make new work for both sync and async (if possible).

Context

I tried to allocate a thread object whose allocator uses an async method. It failed and now I don't know what to do.

Your Environment

• Rust Version: 1.58.1
• Actix Web Version: 4.0.0-rc.1

There's been some work on this here #2413; it's something the team definitely wants to see.

For now, you can use the data_factory to initialize on workers' thread. Example.