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Sendless futures#1372
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Sendless futures#1372
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This is mostly a PoC. We'll want to get this all behind a feature flagso multi-threaded environments can still require Send.
If this is usefull, I'll go back and try to make this configurable by a feature-flag
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Per#723 it may be useful to have an environment without Send and Sync.
This was a bit of slog, but it wasn't actually that bad. The main things that were needed:
async_trait::async_trait(?Send)SendandSyncbounds almost everywhere.LocalBoxFutureinstead ofBoxFuture.boxed_local()instead of.boxed()tokio::task::spawn_local()instead oftokio::spawn(). Also add sometokio::task::TaskSets where needed.TEST_HARNESS.Overall it was mostly straightforward. Everything compiles and all tests pass.
If someone can confirm this is actually useful I'm happy to take a second pass and try and make it configurable via a feature flag.